We have many products that are used in very specific applications as for example:
COD analysis
For determination of Fiber Neutral Detergent (FAD) and Fiber acid detergent (FAD)
For acidity determination in oil
For analysis of Tricchinella in meat
For determination of sand equivalent
전체선택
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Catalog 396881
Description Conductivity Standard 147 μS/cm (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.001 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 133 21,0: 136 22,0: 139 23,0: 142 24,0: 145 25,0: 147 26,0: 150 27,0: 153 28,0: 156 29,0: 159 30,0: 162 Uncertainty: See certificate Conductivity at 25°C: 142 - 152 μS/cm
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Catalog 281730
Description Buffer Solution pH 10 for volumetric analysis
Packaging 250ml / 1000ml / 5L
Specification liquid / COMPOSITION: Ammonium Chloride: 6.75 g Ammonia 30%: 35 ml Water (s.q.m): 100 ml Identity: passes test pH: 10.0 - 10.5
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Catalog 281590
Description Wijs' Reagent 0.1 mol/l (0.2N) for volumetric analysis
Packaging 500ml / 1000ml
Specification liquid / Titer at 20°C: 0.99 - 1.01 COMPOSITION: Iodine mono-Chloride: 1.8 g Acetic Acid glacial s.q.m: 100 ml
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Catalog 176992
Description Myxture Methanol 85% + 2-Methyl-2-Propanol 15%
Packaging 5L
Specification liquid / COMPOSITION: Methanol: 850 ml 2-Methyl-2-Propanol: 150 ml
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Catalog 173655
Description Concentrated solution for the sand equivalent determination
Packaging 125ml
Specification liquid / COMPOSITION: Calcium Chloride anhydrous: 110-112 g Glycerol: 475-485 g Formaldehyde 35-40% w/v: 12-13 g Water (s.q.m): 1000 ml Identity: passes test Density 20/4: 1.191 - 1.195
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Catalog 395464
Description Solution A for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hydrazinium Sulphate: 1.0 g Water (s.q.m): 100.0 ml Assay (as NH2-NH2, H2SO4) (w/v): 0.95 - 1.05 %
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Catalog 282922
Description Silver Sulfate solution 6.6 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml
Specification Suitability for COD determination: passes test
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Catalog 177074
Description Potassium Dichromate 0.005 mol/l with 20 g/l of Mercury(II) Sulfate
Packaging 1L
Specification liquid / Composition: Potassium dichromate: 0.005 mol/L Mercury(II) sulfate: 20 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 173356
Description Carrez's Reagent II
Packaging 1000ml / 5L
Specification liquid / COMPOSITION: Potassium Hexacyanoferrate(II) 3-hydrate: 107 g Water (s.q.m): 1 l Assay (Potassium Hexacyanoferrate (II) 3-hydrate): 10.6 ± 0.5% p/v Identity: passes test
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Catalog 395464
Description Solution A for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hydrazinium Sulphate: 1.0 g Water (s.q.m): 100.0 ml Assay (as NH2-NH2, H2SO4) (w/v): 0.95 - 1.05 %
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Catalog 282922
Description Silver Sulfate solution 6.6 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml
Specification Suitability for COD determination: passes test
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Catalog 177074
Description Potassium Dichromate 0.005 mol/l with 20 g/l of Mercury(II) Sulfate
Packaging 1L
Specification liquid / Composition: Potassium dichromate: 0.005 mol/L Mercury(II) sulfate: 20 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 173356
Description Carrez's Reagent II
Packaging 1000ml / 5L
Specification liquid / COMPOSITION: Potassium Hexacyanoferrate(II) 3-hydrate: 107 g Water (s.q.m): 1 l Assay (Potassium Hexacyanoferrate (II) 3-hydrate): 10.6 ± 0.5% p/v Identity: passes test
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Catalog 281574
Description Karl Fischer's Reagent Composite for volumetric analysis
Packaging 1000ml / 2.5L
Specification liquid / 1 ml of Reagent corresponds to minimum 5 mg of water
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Catalog 177085
Description Potassium Dichromate 0.02 mol/l with 80 g/l of Mercury(II) Sulfate volumetric solution
Packaging 2.5L
Specification liquid / Composition: Potassium dichromate: 0.02 mol/L Mercury(II) sulfate: 80 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 173355
Description Carrez's Reagent I
Packaging 1000ml / 5L
Specification liquid / COMPOSITION: Zinc Acetate 2-hydrate: 239 g Acetic Acid glacial: 28.6 ml Water (s.q.m): 1 l Assay (Zinc acetate 2-hydrate): 23.8 ± 0.5 % p/v Identity: passes test
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Catalog 396882
Description Conductivity Standard 84 μS/cm (25°C)
Packaging 250ml
Specification COMPOSITION: Potassium Chloride: 0.00056 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 75.8 21,0: 77.5 22,0: 79.1 23,0: 80.7 24,0: 82.4 25,0: 84.0 26,0: 85.6 27,0: 87.3 28,0: 88.9 29,0: 90.6 30,0: 92.2 Uncertainty: See certificate Conductivity at 25°C: 82 - 86 μS/cm
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Catalog 283098
Description Silver Sulfate solution 10 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml / 2.5L
Specification Assay (as Ag2SO4): 9.8 - 10.2 g/l Suitability: for COD determination: passes test
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Catalog 173333
Description Vanadate-Molybdate Reagent
Packaging 1000ml
Specification liquid / COMPOSITION: Ammonium Molybdate 4-hydrate: 2.97 g Ammonium meta-Vanadate: 0.15 g Sulphuric Acid 96%: 14.2 ml Water (s.q.m): 100 ml Suitability for determination of phosphates: passes test
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Catalog 395465
Description Solution B for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hexamethylenetetramine: 10.0 g Water (s.q.m): 100.0 ml Assay (as (CH2)6N4) (w/v): 9.9 - 10.1 %
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Catalog 177137
Description Allylthiourea solution (1 g/L) for BOD determination
Packaging 250ml
Specification Liquid
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Catalog 172417
Description o-Tolidine solution 0.1%
Packaging 250ml / 1000ml
Specification CAS No. 119-93-7 / liquid / M.W 212.29 g/mol
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Catalog 395465
Description Solution B for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hexamethylenetetramine: 10.0 g Water (s.q.m): 100.0 ml Assay (as (CH2)6N4) (w/v): 9.9 - 10.1 %
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Catalog 177137
Description Allylthiourea solution (1 g/L) for BOD determination
Packaging 250ml
Specification Liquid
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Catalog 172417
Description o-Tolidine solution 0.1%
Packaging 250ml / 1000ml
Specification CAS No. 119-93-7 / liquid / M.W 212.29 g/mol
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Catalog 396905
Description TOC Standard (50 mg/l)
Packaging 1000ml
Specification liquid / Composition (106,3 mg C8H5O4K / l H2O) Concentration (as C4+): 50±0.3 mg/l
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Catalog 283462
Description Ferroin solution 0.025 mol/l (0.025M) for volumetric analysis
Packaging 100ml
Specification CAS No. 14634-91-4 / M.W 692.24 g/mol
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Catalog 177177
Description Buffer Solution pH 5,5 (20°C) for determination of aluminium
Packaging 5L
Specification liquid / COMPOSITION: Sodium Acetate 3-hydrate: 100 g Acetic Acid glacial: 10 ml Water (s.q.m): 1000 ml pH at 20°C: 5.4 - 5.6
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Catalog 172308
Description Copper(II) Ethylenediamine Reagent
Packaging 1000ml / 2.5L
Specification CAS No. 14552-35-3 / pH of 1% solution: 12.0 - 12.5 Density 20/4: 1.096-1.102 Ratio C2H8N2/Cu: 2.00 ± 0.04 Ethylendiamine: 2.00 ± 0.10 mol/l Cu: 1.00 ± 0.02 mol/l
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Catalog 395508
Description Colour Standard Pt-Co, 500 APHA
Packaging 500ml
Specification liquid / COMPOSITION: Potassium Chloroplatinate: 1.245 g Cobalt (II) chloride 6-H2O: 1.000 g Water (s.q.m): 1000 ml Concentration: See certificate ABS λ 510 nm: 0.055 - 0.065 ABS λ 430 nm: 0.110 - 0.120 ABS λ 480 nm: 0.105 - 0.120 ABS λ 455 nm: 0.130 - 0.145
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Catalog 172174
Description Luff-Schoorl's Reagent
Packaging 1000ml
Specification liquid COMPOSITION: Sodium Carbonate anhydrous: 14.36 g Citric Acid anhydrous: 5.47 g Copper(II) Sulphate 5-hydrate: 2.6 g Water (s.q.m): 100 ml Identity: passes test Suitability for determination of glucose: passes test
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Catalog 171690
Description Sodium Hydroxide solution 30% w/v
Packaging 500ml / 5L
Specification CAS No. 1310-73-2 / liquid / M.W 40.00 g/mol
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Catalog 396906
Description TOC Standard (100 mg/l)
Packaging 1000 ml
Specification liquid / Composition (212,6 mg C8H5O4K / l H2O) Concentration (as C4+): 100±0.5 mg/l
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Catalog 285482
Description Ethanol / Diethyl Ether 1:1 v/v + Bromophenol Blue 0,2 % for acidity determination in olive oil
Packaging 30L
Specification liquid / COMPOSITION: Bromophenol Blue: 198 mg Diethyl Ether: 55 ml Ethanol 96 %: 55 ml Identity: passes test Density 20/4: 0.755 - 0.765
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Catalog 181369
Description Ammonium Iron(II) Sulfate 0.1 mol/l (0.1N) volumetric solution
Packaging 1000ml / 5L
Specification CAS No. 7783-85-9 / liquid / M.W 284.05 g/mol
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Catalog 171581
Description Nessler's Reagent
Packaging 250ml
Specification liquid COMPOSITION: Mercury(II) Iodide: 100 g Potassium Iodide: 70 g Sodium Hydroxide: 160 g Water (s.q.m): 1 l
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Catalog 396070
Description UV-VIS Spectrophotometry Standard: solution for the wavelength control (Ph. Eur.)
Packaging 8 x 10 ml
Specification COMPOSITION: Holmium Oxide: 40.0 g Perchloric Acid 10% v/v (s.q.m): 1000 ml PRESENTATION: 8 x 10 ml Ampoules Uncertainty: See certificate Traceability: NIST Wavelength of ABS. Max (nm): Lambda (nm) guaranteed at 25°C:: 640.2 - 641.4 nm 536.4 - 537.6 nm 484.7 - 485.9 nm 467.3 - 468.5 nm 450.7 - 451.9 nm 416 - 417.2 nm 385.3 - 386.5 nm 360.6 - 361.8 nm 344.9 - 346.1 nm 332.8 - 334 nm 286.9 - 288.1 nm 277.4 - 278.6 nm 249.4 - 250.6 nm 240.5 - 241.7 nm Lambda (nm) according to Ph.Eur.: 533.3 - 539.3 nm 360.5 - 362.5 nm 286.15 - 288.15 nm 240.15 - 242.15 nm
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Catalog 181519
Description Potassium Hydroxide 0.5 mol/l (0.5N) in ethanol (Reag. USP, Ph.Eur.) volumetric solution
Packaging 1000ml
Specification liquid / M.W 56.11 g/mol /
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Catalog 171570
Description Griess-Ilosvay's B Reagent
Packaging 100ml
Specification liquid COMPOSITION: 1-Naphthylamine: 70 mg Acetic Acid glacial: 30 ml Water: 77.5 ml
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Catalog 396908
Description TOC Standard (1000 mg/l)
Packaging 1000 ml
Specification Liquid / Composition (2,1255 g C8H5O4K / l H2O) Concentration (as C4+): 1000±5 mg/l
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Catalog 285483
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 0,1 % for acidity determination in olive oil
Packaging 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 100 mg Diethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.762
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Catalog 171569
Description Griess-Ilosvay's A Reagent
Packaging 100ml
Specification liquid COMPOSITION: Sulphanilic Acid: 0.34 g Acetic Acid glacial: 30 ml Water: 64 ml
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Catalog 286300
Description Chlorine Reagent Buffer for volumetric analysis
Packaging 480g
Specification solid / Suitability: for the chlorine determination: passes test
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Catalog 396908
Description TOC Standard (1000 mg/l)
Packaging 1000 ml
Specification Liquid / Composition (2,1255 g C8H5O4K / l H2O) Concentration (as C4+): 1000±5 mg/l
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Catalog 285483
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 0,1 % for acidity determination in olive oil
Packaging 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 100 mg Diethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.762
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Catalog 171569
Description Griess-Ilosvay's A Reagent
Packaging 100ml
Specification liquid COMPOSITION: Sulphanilic Acid: 0.34 g Acetic Acid glacial: 30 ml Water: 64 ml
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Catalog 182146
Description Potassium Hydroxide 0.1 mol/l (0.1N) in ethanol (Reag. USP, Ph.Eur.) volumetric solution
Packaging 1000ml
Specification liquid / M.W 56.11 g/mol
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Catalog 396881
Description Conductivity Standard 147 μS/cm (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.001 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 133 21,0: 136 22,0: 139 23,0: 142 24,0: 145 25,0: 147 26,0: 150 27,0: 153 28,0: 156 29,0: 159 30,0: 162 Uncertainty: See certificate Conductivity at 25°C: 142 - 152 μS/cm
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Catalog 286079
Description Zeleny's Reagent for volumetric analysis
Packaging 1000ml
Specification liquid / Concentration: 0.50±0.005 mol/l Density 15/15: 0.984-0.986
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Catalog 281572
Description Hanus Reagent 0.1 mol/l (0.2N) for volumetric analysis
Packaging 1000ml / 2.5L
Specification liquid / COMPOSITION: Iodine: 1.32 g Bromine: 0.812 g Acetic Acid glacial s.q.m: 100 ml
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Catalog 184385
Description Potassium Dichromate 0.04 mol/l with 80 g/l of Mercury(II) Sulfate volumetric solution
Packaging 1000ml
Specification liquid / Titer at 20°C: 0.999 - 1.001 Uncertainty: See certificate Traceability: NIST
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Catalog 286300
Description Chlorine Reagent Buffer for volumetric analysis
Packaging 480g
Specification solid / Suitability: for the chlorine determination: passes test
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Catalog 177137
Description Allylthiourea solution (1 g/L) for BOD determination
Packaging 250ml
Specification Liquid
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Catalog 171543
Description Potassium Iodide solution 10% w/v
Packaging 250ml / 1000ml
Specification CAS No. 7681-11-0 / liquid / M.W 166.01 g/mol
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Catalog 281384
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml / 2.5L / 5L
Specification liquid / Titer at 20°C: 1.000±0.005 Sodium Hydroxide: 0.111 mol/l
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Catalog 177074
Description Potassium Dichromate 0.005 mol/l with 20 g/l of Mercury(II) Sulfate
Packaging 1L
Specification liquid / Composition: Potassium dichromate: 0.005 mol/L Mercury(II) sulfate: 20 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 177137
Description Allylthiourea solution (1 g/L) for BOD determination
Packaging 250ml
Specification Liquid
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Catalog 171543
Description Potassium Iodide solution 10% w/v
Packaging 250ml / 1000ml
Specification CAS No. 7681-11-0 / liquid / M.W 166.01 g/mol
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Catalog 396882
Description Conductivity Standard 84 μS/cm (25°C)
Packaging 250ml
Specification COMPOSITION: Potassium Chloride: 0.00056 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 75.8 21,0: 77.5 22,0: 79.1 23,0: 80.7 24,0: 82.4 25,0: 84.0 26,0: 85.6 27,0: 87.3 28,0: 88.9 29,0: 90.6 30,0: 92.2 Uncertainty: See certificate Conductivity at 25°C: 82 - 86 μS/cm
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Catalog 286301
Description Chlorine Reagent DPD for volumetric analysis
Packaging 100ml
Specification liquid / Suitability: for the chlorine determination: passes test
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Catalog 396905
Description TOC Standard (50 mg/l)
Packaging 1000ml
Specification liquid / Composition (106,3 mg C8H5O4K / l H2O) Concentration (as C4+): 50±0.3 mg/l
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Catalog 281381
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Sodium Hydroxide 50% sol. w/w: 2.06 ml Water (s.q.m): 100 ml
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Catalog 185227
Description Ammonium Iron(II) Sulfate 0.12 mol/l (0.12N) volumetric solution
Packaging 1000ml
Specification CAS No. 7783-85-9 / liquid / M.W 392.14 g/mol
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Catalog 177177
Description Buffer Solution pH 5,5 (20°C) for determination of aluminium
Packaging 5L
Specification liquid / COMPOSITION: Sodium Acetate 3-hydrate: 100 g Acetic Acid glacial: 10 ml Water (s.q.m): 1000 ml pH at 20°C: 5.4 - 5.6
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Catalog 177085
Description Potassium Dichromate 0.02 mol/l with 80 g/l of Mercury(II) Sulfate volumetric solution
Packaging 2.5L
Specification liquid / Composition: Potassium dichromate: 0.02 mol/L Mercury(II) sulfate: 80 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 176400
Description Methanol/2-Propanol 4:1 v/v pure
Packaging 5L
Specification liquid / COMPOSITION: Methanol: 800 ml 2-Propanol: 200 ml Density 20/4: 0.785 - 0.795
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Catalog 171386
Description Hydrotimetric Liquor
Packaging 1000 ml
Specification liquid / COMPOSITION: Pure olive oil: 28.3 ml Formaldehyde 35-40%: 5 ml Sodium Hydroxide pellets: 4.46 g Ethanol absolute: 552.4 ml Water: 452.6 ml
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Catalog 176408
Description Liquid Pepsin
Packaging 5L
Specification CAS No. 9001-75-6 / liquid / Proteolytic Activity: 660 u Ph. Eur./ml
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Catalog 176992
Description Myxture Methanol 85% + 2-Methyl-2-Propanol 15%
Packaging 5L
Specification liquid / COMPOSITION: Methanol: 850 ml 2-Methyl-2-Propanol: 150 ml
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Catalog 177074
Description Potassium Dichromate 0.005 mol/l with 20 g/l of Mercury(II) Sulfate
Packaging 1L
Specification liquid / Composition: Potassium dichromate: 0.005 mol/L Mercury(II) sulfate: 20 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 396906
Description TOC Standard (100 mg/l)
Packaging 1000 ml
Specification liquid / Composition (212,6 mg C8H5O4K / l H2O) Concentration (as C4+): 100±0.5 mg/l
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Catalog 381007
Description Acetone ultrapure
Packaging 1000ml
Specification CAS No. 67-64-1 / liquid / M.W 58.08 g/mol
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Catalog 181519
Description Potassium Hydroxide 0.5 mol/l (0.5N) in ethanol (Reag. USP, Ph.Eur.) volumetric solution
Packaging 1000ml
Specification liquid / M.W 56.11 g/mol /
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Catalog 181369
Description Ammonium Iron(II) Sulfate 0.1 mol/l (0.1N) volumetric solution
Packaging 1000ml / 5L
Specification CAS No. 7783-85-9 / liquid / M.W 284.05 g/mol
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Catalog 176992
Description Myxture Methanol 85% + 2-Methyl-2-Propanol 15%
Packaging 5L
Specification liquid / COMPOSITION: Methanol: 850 ml 2-Methyl-2-Propanol: 150 ml
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Catalog 177137
Description Allylthiourea solution (1 g/L) for BOD determination
Packaging 250ml
Specification Liquid
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Catalog 171543
Description Potassium Iodide solution 10% w/v
Packaging 250ml / 1000ml
Specification CAS No. 7681-11-0 / liquid / M.W 166.01 g/mol
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Catalog 177085
Description Potassium Dichromate 0.02 mol/l with 80 g/l of Mercury(II) Sulfate volumetric solution
Packaging 2.5L
Specification liquid / Composition: Potassium dichromate: 0.02 mol/L Mercury(II) sulfate: 80 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 185227
Description Ammonium Iron(II) Sulfate 0.12 mol/l (0.12N) volumetric solution
Packaging 1000ml
Specification CAS No. 7783-85-9 / liquid / M.W 392.14 g/mol
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Catalog 177177
Description Buffer Solution pH 5,5 (20°C) for determination of aluminium
Packaging 5L
Specification liquid / COMPOSITION: Sodium Acetate 3-hydrate: 100 g Acetic Acid glacial: 10 ml Water (s.q.m): 1000 ml pH at 20°C: 5.4 - 5.6
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Catalog 177137
Description Allylthiourea solution (1 g/L) for BOD determination
Packaging 250ml
Specification Liquid
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Catalog 177177
Description Buffer Solution pH 5,5 (20°C) for determination of aluminium
Packaging 5L
Specification liquid / COMPOSITION: Sodium Acetate 3-hydrate: 100 g Acetic Acid glacial: 10 ml Water (s.q.m): 1000 ml pH at 20°C: 5.4 - 5.6
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Catalog 177085
Description Potassium Dichromate 0.02 mol/l with 80 g/l of Mercury(II) Sulfate volumetric solution
Packaging 2.5L
Specification liquid / Composition: Potassium dichromate: 0.02 mol/L Mercury(II) sulfate: 80 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 171386
Description Hydrotimetric Liquor
Packaging 1000 ml
Specification liquid / COMPOSITION: Pure olive oil: 28.3 ml Formaldehyde 35-40%: 5 ml Sodium Hydroxide pellets: 4.46 g Ethanol absolute: 552.4 ml Water: 452.6 ml
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Catalog 396905
Description TOC Standard (50 mg/l)
Packaging 1000ml
Specification liquid / Composition (106,3 mg C8H5O4K / l H2O) Concentration (as C4+): 50±0.3 mg/l
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Catalog 281381
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Sodium Hydroxide 50% sol. w/w: 2.06 ml Water (s.q.m): 100 ml
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Catalog 185227
Description Ammonium Iron(II) Sulfate 0.12 mol/l (0.12N) volumetric solution
Packaging 1000ml
Specification CAS No. 7783-85-9 / liquid / M.W 392.14 g/mol
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Catalog 287184
Description Acetone + Bromophenol blue 4,5 mg/L for determination of soap content in oils and fats
Packaging 5L
Specification liquid / COMPOSITION: Acetone: 900 ml Bromophenol Blue solution 0,1%: 4.5 ml Water: 27 ml Identity: passes test Density 20/4: 0.800 - 0.805
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Catalog 177074
Description Potassium Dichromate 0.005 mol/l with 20 g/l of Mercury(II) Sulfate
Packaging 1L
Specification liquid / Composition: Potassium dichromate: 0.005 mol/L Mercury(II) sulfate: 20 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 171058
Description Sulfuric Acid 96 % ± 0.15 % Viscosimetry grade
Packaging 1L / 2,5L
Specification CAS No. 7664-93-9 / Liquid / M.W 98.08 g/mol
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Catalog 181369
Description Ammonium Iron(II) Sulfate 0.1 mol/l (0.1N) volumetric solution
Packaging 1000ml / 5L
Specification CAS No. 7783-85-9 / liquid / M.W 284.05 g/mol
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Catalog 396906
Description TOC Standard (100 mg/l)
Packaging 1000 ml
Specification liquid / Composition (212,6 mg C8H5O4K / l H2O) Concentration (as C4+): 100±0.5 mg/l
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Catalog 381007
Description Acetone ultrapure
Packaging 1000ml
Specification CAS No. 67-64-1 / liquid / M.W 58.08 g/mol
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Catalog 181519
Description Potassium Hydroxide 0.5 mol/l (0.5N) in ethanol (Reag. USP, Ph.Eur.) volumetric solution
Packaging 1000ml
Specification liquid / M.W 56.11 g/mol /
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Catalog 181369
Description Ammonium Iron(II) Sulfate 0.1 mol/l (0.1N) volumetric solution
Packaging 1000ml / 5L
Specification CAS No. 7783-85-9 / liquid / M.W 284.05 g/mol
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Catalog 176992
Description Myxture Methanol 85% + 2-Methyl-2-Propanol 15%
Packaging 5L
Specification liquid / COMPOSITION: Methanol: 850 ml 2-Methyl-2-Propanol: 150 ml
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Catalog 394657
Description Conductivity Standard 5446 μS/cm (25°C)
Packaging 250 ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.040 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 4915 21,0: 5022 22,0: 5128 23,0: 5234 24,0: 5340 25,0: 5446 26,0: 5552 27,0: 5658 28,0: 5764 29,0: 5870 30,0: 5976 Uncertainty: See certificate Conductivity at 25°C: 5421 - 5451 μS/cm
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Catalog 281380
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Potassium Hydroxide 50% w/w: 1.4 g Water (s.q.m): 100 ml
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Catalog 181519
Description Potassium Hydroxide 0.5 mol/l (0.5N) in ethanol (Reag. USP, Ph.Eur.) volumetric solution
Packaging 1000ml
Specification liquid / M.W 56.11 g/mol /
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Catalog 171230
Description Calcium Lactate 5-hydrate for soil testing
Packaging 1kg / 5kg
Specification CAS No. 28305-25-1 / Solid / M.W 308.30 g/mol
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Catalog 394659
Description Conductivity Standard 1413 μS/cm (25°C)
Packaging 250 ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.010 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 1278 21,0: 1305 22,0: 1332 23,0: 1359 24,0: 1386 25,0: 1413 26,0: 1440 27,0: 1467 28,0: 1494 29,0: 1522 30,0: 1549 Uncertainty: See certificate Conductivity at 25°C: 1408 - 1418 μS/cm
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Catalog 394641
Description COD Standard (3000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 2.5505 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 2900-3100 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394546
Description COD Standard (1000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.8502 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 900-1100 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 281574
Description Karl Fischer's Reagent Composite for volumetric analysis
Packaging 1000ml / 2.5L
Specification liquid / 1 ml of Reagent corresponds to minimum 5 mg of water
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Catalog 273526
Description TISAB III - Solution for detection of fluoride
Packaging 500ml / 5L
Specification liquid / COMPOSITION: 1,2-Diaminociclohexane N,N,N,N-tetraacetic Acid 1-hydrate: 18 g Ammonium Chloride: 96.65 g Ammonium Acetate: 163.4 g Cresol Red: 0.1 g Water (s.q.m): 1 l Note: pH 5.25±0.25
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Catalog 185227
Description Ammonium Iron(II) Sulfate 0.12 mol/l (0.12N) volumetric solution
Packaging 1000ml
Specification CAS No. 7783-85-9 / liquid / M.W 392.14 g/mol
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Catalog 176408
Description Liquid Pepsin
Packaging 5L
Specification CAS No. 9001-75-6 / liquid / Proteolytic Activity: 660 u Ph. Eur./ml
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Catalog 171072
Description Bromine Water saturated solution
Packaging 500ml
Specification CAS No. 7726-95-6 / liquid / M.W 159.92 g/mol
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Catalog 396908
Description TOC Standard (1000 mg/l)
Packaging 1000 ml
Specification Liquid / Composition (2,1255 g C8H5O4K / l H2O) Concentration (as C4+): 1000±5 mg/l
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Catalog 396905
Description TOC Standard (50 mg/l)
Packaging 1000ml
Specification liquid / Composition (106,3 mg C8H5O4K / l H2O) Concentration (as C4+): 50±0.3 mg/l
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Catalog 396882
Description Conductivity Standard 84 μS/cm (25°C)
Packaging 250ml
Specification COMPOSITION: Potassium Chloride: 0.00056 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 75.8 21,0: 77.5 22,0: 79.1 23,0: 80.7 24,0: 82.4 25,0: 84.0 26,0: 85.6 27,0: 87.3 28,0: 88.9 29,0: 90.6 30,0: 92.2 Uncertainty: See certificate Conductivity at 25°C: 82 - 86 μS/cm
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Catalog 396070
Description UV-VIS Spectrophotometry Standard: solution for the wavelength control (Ph. Eur.)
Packaging 8 x 10 ml
Specification COMPOSITION: Holmium Oxide: 40.0 g Perchloric Acid 10% v/v (s.q.m): 1000 ml PRESENTATION: 8 x 10 ml Ampoules Uncertainty: See certificate Traceability: NIST Wavelength of ABS. Max (nm): Lambda (nm) guaranteed at 25°C:: 640.2 - 641.4 nm 536.4 - 537.6 nm 484.7 - 485.9 nm 467.3 - 468.5 nm 450.7 - 451.9 nm 416 - 417.2 nm 385.3 - 386.5 nm 360.6 - 361.8 nm 344.9 - 346.1 nm 332.8 - 334 nm 286.9 - 288.1 nm 277.4 - 278.6 nm 249.4 - 250.6 nm 240.5 - 241.7 nm Lambda (nm) according to Ph.Eur.: 533.3 - 539.3 nm 360.5 - 362.5 nm 286.15 - 288.15 nm 240.15 - 242.15 nm
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Catalog 395465
Description Solution B for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hexamethylenetetramine: 10.0 g Water (s.q.m): 100.0 ml Assay (as (CH2)6N4) (w/v): 9.9 - 10.1 %
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Catalog 395443
Description Redox Standard 220 mV (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Hexacyanoferrate(II) 3-hydrate: 4.3 g Potassium Hexacyanoferrate(III): 3.3 g Buffer Solution pH 7.00: 200 ml Water (s.q.m): 1000 ml REDOX POTENTIAL VALUES DEPENDING ON TEMPERATURE T (°C): mV 10: 245 15: 236 20: 228 25: 220 30: 212 35: 204 40: 195 50: 178 60: 160 70: 142 Uncertainty: See certificate Potenctial at 25°C: 215 -225 mV
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Catalog 395442
Description Redox Standard 468 mV (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Iron(II) Sulphate 7-hydrate: 9.2 g Iron(III) Sulphate x-hydrate: 9.3 g Sulphuric Acid 96%: 18 ml Water (s.q.m): 1000 ml REDOX POTENTIAL VALUES DEPENDING ON TEMPERATURE T (°C): mV 10: 452 15: 457 20: 463 25: 468 30: 474 35: 479 40: 485 50: 497 60: 509 70: 522 Uncertainty: See certificate Potenctial at 25°C: 463 - 473 mV
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Catalog 394642
Description COD Standard (50 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.0425 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 40-60 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 182146
Description Potassium Hydroxide 0.1 mol/l (0.1N) in ethanol (Reag. USP, Ph.Eur.) volumetric solution
Packaging 1000ml
Specification liquid / M.W 56.11 g/mol
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Catalog 396908
Description TOC Standard (1000 mg/l)
Packaging 1000 ml
Specification Liquid / Composition (2,1255 g C8H5O4K / l H2O) Concentration (as C4+): 1000±5 mg/l
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Catalog 396906
Description TOC Standard (100 mg/l)
Packaging 1000 ml
Specification liquid / Composition (212,6 mg C8H5O4K / l H2O) Concentration (as C4+): 100±0.5 mg/l
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Catalog 396881
Description Conductivity Standard 147 μS/cm (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.001 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 133 21,0: 136 22,0: 139 23,0: 142 24,0: 145 25,0: 147 26,0: 150 27,0: 153 28,0: 156 29,0: 159 30,0: 162 Uncertainty: See certificate Conductivity at 25°C: 142 - 152 μS/cm
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Catalog 395508
Description Colour Standard Pt-Co, 500 APHA
Packaging 500ml
Specification liquid / COMPOSITION: Potassium Chloroplatinate: 1.245 g Cobalt (II) chloride 6-H2O: 1.000 g Water (s.q.m): 1000 ml Concentration: See certificate ABS λ 510 nm: 0.055 - 0.065 ABS λ 430 nm: 0.110 - 0.120 ABS λ 480 nm: 0.105 - 0.120 ABS λ 455 nm: 0.130 - 0.145
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Catalog 395464
Description Solution A for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hydrazinium Sulphate: 1.0 g Water (s.q.m): 100.0 ml Assay (as NH2-NH2, H2SO4) (w/v): 0.95 - 1.05 %
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Catalog 394658
Description Conductivity Standard 12.88 mS/cm (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.100 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (mS/cm) 20,0: 11.67 21,0: 11.91 22,0: 12.15 23,0: 12.39 24,0: 12.64 25,0: 12.88 26,0: 13.13 27,0: 13.37 28,0: 13.62 29,0: 13.87 30,0: 14.12 Uncertainty: See certificate Conductivity at 25°C: 12.82 - 12.94 mS/cm
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Catalog 394657
Description Conductivity Standard 5446 μS/cm (25°C)
Packaging 250 ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.040 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 4915 21,0: 5022 22,0: 5128 23,0: 5234 24,0: 5340 25,0: 5446 26,0: 5552 27,0: 5658 28,0: 5764 29,0: 5870 30,0: 5976 Uncertainty: See certificate Conductivity at 25°C: 5421 - 5451 μS/cm
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Catalog 394642
Description COD Standard (50 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.0425 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 40-60 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394642
Description COD Standard (50 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.0425 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 40-60 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394641
Description COD Standard (3000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 2.5505 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 2900-3100 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394641
Description COD Standard (3000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 2.5505 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 2900-3100 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394640
Description COD Standard (500 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.4251 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 450-550 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394640
Description COD Standard (500 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.4251 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 450-550 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394640
Description COD Standard (500 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.4251 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 450-550 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394547
Description COD Standard (150 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.1275 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 125-175 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394547
Description COD Standard (150 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.1275 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 125-175 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394547
Description COD Standard (150 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.1275 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 125-175 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394546
Description COD Standard (1000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.8502 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 900-1100 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394546
Description COD Standard (1000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.8502 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 900-1100 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394545
Description COD Standard (7000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 5.9514 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 6700-7300 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394545
Description COD Standard (7000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 5.9514 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 6700-7300 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394545
Description COD Standard (7000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 5.9514 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 6700-7300 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 381007
Description Acetone ultrapure
Packaging 1000ml
Specification CAS No. 67-64-1 / liquid / M.W 58.08 g/mol
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Catalog 381007
Description Acetone ultrapure
Packaging 1000ml
Specification CAS No. 67-64-1 / liquid / M.W 58.08 g/mol
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Catalog 287184
Description Acetone + Bromophenol blue 4,5 mg/L for determination of soap content in oils and fats
Packaging 5L
Specification liquid / COMPOSITION: Acetone: 900 ml Bromophenol Blue solution 0,1%: 4.5 ml Water: 27 ml Identity: passes test Density 20/4: 0.800 - 0.805
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Catalog 287184
Description Acetone + Bromophenol blue 4,5 mg/L for determination of soap content in oils and fats
Packaging 5L
Specification liquid / COMPOSITION: Acetone: 900 ml Bromophenol Blue solution 0,1%: 4.5 ml Water: 27 ml Identity: passes test Density 20/4: 0.800 - 0.805
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Catalog 286301
Description Chlorine Reagent DPD for volumetric analysis
Packaging 100ml
Specification liquid / Suitability: for the chlorine determination: passes test
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Catalog 286301
Description Chlorine Reagent DPD for volumetric analysis
Packaging 100ml
Specification liquid / Suitability: for the chlorine determination: passes test
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Catalog 286300
Description Chlorine Reagent Buffer for volumetric analysis
Packaging 480g
Specification solid / Suitability: for the chlorine determination: passes test
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Catalog 286079
Description Zeleny's Reagent for volumetric analysis
Packaging 1000ml
Specification liquid / Concentration: 0.50±0.005 mol/l Density 15/15: 0.984-0.986
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Catalog 286079
Description Zeleny's Reagent for volumetric analysis
Packaging 1000ml
Specification liquid / Concentration: 0.50±0.005 mol/l Density 15/15: 0.984-0.986
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Catalog 285483
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 0,1 % for acidity determination in olive oil
Packaging 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 100 mg Diethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.762
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Catalog 285483
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 0,1 % for acidity determination in olive oil
Packaging 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 100 mg Diethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.762
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Catalog 281298
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 15 mg/L for acidity determination in olive oil
Packaging 1000ml / 2.5L / 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 1.5 mg Ethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.765
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Catalog 273526
Description TISAB III - Solution for detection of fluoride
Packaging 500ml / 5L
Specification liquid / COMPOSITION: 1,2-Diaminociclohexane N,N,N,N-tetraacetic Acid 1-hydrate: 18 g Ammonium Chloride: 96.65 g Ammonium Acetate: 163.4 g Cresol Red: 0.1 g Water (s.q.m): 1 l Note: pH 5.25±0.25
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Catalog 185227
Description Ammonium Iron(II) Sulfate 0.12 mol/l (0.12N) volumetric solution
Packaging 1000ml
Specification CAS No. 7783-85-9 / liquid / M.W 392.14 g/mol
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Catalog 184385
Description Potassium Dichromate 0.04 mol/l with 80 g/l of Mercury(II) Sulfate volumetric solution
Packaging 1000ml
Specification liquid / Titer at 20°C: 0.999 - 1.001 Uncertainty: See certificate Traceability: NIST
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Catalog 182146
Description Potassium Hydroxide 0.1 mol/l (0.1N) in ethanol (Reag. USP, Ph.Eur.) volumetric solution
Packaging 1000ml
Specification liquid / M.W 56.11 g/mol
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Catalog 394658
Description Conductivity Standard 12.88 mS/cm (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.100 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (mS/cm) 20,0: 11.67 21,0: 11.91 22,0: 12.15 23,0: 12.39 24,0: 12.64 25,0: 12.88 26,0: 13.13 27,0: 13.37 28,0: 13.62 29,0: 13.87 30,0: 14.12 Uncertainty: See certificate Conductivity at 25°C: 12.82 - 12.94 mS/cm
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Catalog 285482
Description Ethanol / Diethyl Ether 1:1 v/v + Bromophenol Blue 0,2 % for acidity determination in olive oil
Packaging 30L
Specification liquid / COMPOSITION: Bromophenol Blue: 198 mg Diethyl Ether: 55 ml Ethanol 96 %: 55 ml Identity: passes test Density 20/4: 0.755 - 0.765
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Catalog 285482
Description Ethanol / Diethyl Ether 1:1 v/v + Bromophenol Blue 0,2 % for acidity determination in olive oil
Packaging 30L
Specification liquid / COMPOSITION: Bromophenol Blue: 198 mg Diethyl Ether: 55 ml Ethanol 96 %: 55 ml Identity: passes test Density 20/4: 0.755 - 0.765
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Catalog 283462
Description Ferroin solution 0.025 mol/l (0.025M) for volumetric analysis
Packaging 100ml
Specification CAS No. 14634-91-4 / M.W 692.24 g/mol
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Catalog 283462
Description Ferroin solution 0.025 mol/l (0.025M) for volumetric analysis
Packaging 100ml
Specification CAS No. 14634-91-4 / M.W 692.24 g/mol
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Catalog 283098
Description Silver Sulfate solution 10 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml / 2.5L
Specification Assay (as Ag2SO4): 9.8 - 10.2 g/l Suitability: for COD determination: passes test
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Catalog 283098
Description Silver Sulfate solution 10 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml / 2.5L
Specification Assay (as Ag2SO4): 9.8 - 10.2 g/l Suitability: for COD determination: passes test
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Catalog 282922
Description Silver Sulfate solution 6.6 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml
Specification Suitability for COD determination: passes test
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Catalog 282922
Description Silver Sulfate solution 6.6 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml
Specification Suitability for COD determination: passes test
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Catalog 281730
Description Buffer Solution pH 10 for volumetric analysis
Packaging 250ml / 1000ml / 5L
Specification liquid / COMPOSITION: Ammonium Chloride: 6.75 g Ammonia 30%: 35 ml Water (s.q.m): 100 ml Identity: passes test pH: 10.0 - 10.5
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Catalog 281730
Description Buffer Solution pH 10 for volumetric analysis
Packaging 250ml / 1000ml / 5L
Specification liquid / COMPOSITION: Ammonium Chloride: 6.75 g Ammonia 30%: 35 ml Water (s.q.m): 100 ml Identity: passes test pH: 10.0 - 10.5
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Catalog 281590
Description Wijs' Reagent 0.1 mol/l (0.2N) for volumetric analysis
Packaging 500ml / 1000ml
Specification liquid / Titer at 20°C: 0.99 - 1.01 COMPOSITION: Iodine mono-Chloride: 1.8 g Acetic Acid glacial s.q.m: 100 ml
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Catalog 281590
Description Wijs' Reagent 0.1 mol/l (0.2N) for volumetric analysis
Packaging 500ml / 1000ml
Specification liquid / Titer at 20°C: 0.99 - 1.01 COMPOSITION: Iodine mono-Chloride: 1.8 g Acetic Acid glacial s.q.m: 100 ml
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Catalog 281574
Description Karl Fischer's Reagent Composite for volumetric analysis
Packaging 1000ml / 2.5L
Specification liquid / 1 ml of Reagent corresponds to minimum 5 mg of water
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Catalog 281574
Description Karl Fischer's Reagent Composite for volumetric analysis
Packaging 1000ml / 2.5L
Specification liquid / 1 ml of Reagent corresponds to minimum 5 mg of water
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Catalog 281572
Description Hanus Reagent 0.1 mol/l (0.2N) for volumetric analysis
Packaging 1000ml / 2.5L
Specification liquid / COMPOSITION: Iodine: 1.32 g Bromine: 0.812 g Acetic Acid glacial s.q.m: 100 ml
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Catalog 281572
Description Hanus Reagent 0.1 mol/l (0.2N) for volumetric analysis
Packaging 1000ml / 2.5L
Specification liquid / COMPOSITION: Iodine: 1.32 g Bromine: 0.812 g Acetic Acid glacial s.q.m: 100 ml
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Catalog 281384
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml / 2.5L / 5L
Specification liquid / Titer at 20°C: 1.000±0.005 Sodium Hydroxide: 0.111 mol/l
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Catalog 281384
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml / 2.5L / 5L
Specification liquid / Titer at 20°C: 1.000±0.005 Sodium Hydroxide: 0.111 mol/l
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Catalog 281381
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Sodium Hydroxide 50% sol. w/w: 2.06 ml Water (s.q.m): 100 ml
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Catalog 281381
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Sodium Hydroxide 50% sol. w/w: 2.06 ml Water (s.q.m): 100 ml
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Catalog 281380
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Potassium Hydroxide 50% w/w: 1.4 g Water (s.q.m): 100 ml
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Catalog 281380
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Potassium Hydroxide 50% w/w: 1.4 g Water (s.q.m): 100 ml
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Catalog 281298
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 15 mg/L for acidity determination in olive oil
Packaging 1000ml / 2.5L / 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 1.5 mg Ethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.765
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Catalog 281298
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 15 mg/L for acidity determination in olive oil
Packaging 1000ml / 2.5L / 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 1.5 mg Ethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.765
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Catalog 281280
Description Complexon-Magnesium 0.1 mol/l for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Magnesium Sulphate 7-hydrate: 2.47 g Ethylenediaminetetraacetic Acid Disodium Salt 2-hydrate: 3.73 g Sodium Hydroxide pellets: 0.76 g Water (s.q.m): 100 ml
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Catalog 281280
Description Complexon-Magnesium 0.1 mol/l for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Magnesium Sulphate 7-hydrate: 2.47 g Ethylenediaminetetraacetic Acid Disodium Salt 2-hydrate: 3.73 g Sodium Hydroxide pellets: 0.76 g Water (s.q.m): 100 ml
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Catalog 281280
Description Complexon-Magnesium 0.1 mol/l for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Magnesium Sulphate 7-hydrate: 2.47 g Ethylenediaminetetraacetic Acid Disodium Salt 2-hydrate: 3.73 g Sodium Hydroxide pellets: 0.76 g Water (s.q.m): 100 ml
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Catalog 274765
Description TISAB II (STANDARD METHODS/AOAC) for samples containing <3 ppm in Fe and/or Al
Packaging 1000ml / 10L
Specification liquid / COMPOSITION: 1,2-Diaminociclohexane N,N,N,N-tetraacetic Acid 1-hydrate: 3.6 g Sodium Hydroxide 50% sol. w/w: 35 ml Acetic Acid glacial: 57 ml Sodium Chloride: 58 g Water (s.q.m): 1 l Note: pH 5.15±0.15
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Catalog 274765
Description TISAB II (STANDARD METHODS/AOAC) for samples containing <3 ppm in Fe and/or Al
Packaging 1000ml / 10L
Specification liquid / COMPOSITION: 1,2-Diaminociclohexane N,N,N,N-tetraacetic Acid 1-hydrate: 3.6 g Sodium Hydroxide 50% sol. w/w: 35 ml Acetic Acid glacial: 57 ml Sodium Chloride: 58 g Water (s.q.m): 1 l Note: pH 5.15±0.15
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Catalog 274765
Description TISAB II (STANDARD METHODS/AOAC) for samples containing <3 ppm in Fe and/or Al
Packaging 1000ml / 10L
Specification liquid / COMPOSITION: 1,2-Diaminociclohexane N,N,N,N-tetraacetic Acid 1-hydrate: 3.6 g Sodium Hydroxide 50% sol. w/w: 35 ml Acetic Acid glacial: 57 ml Sodium Chloride: 58 g Water (s.q.m): 1 l Note: pH 5.15±0.15
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Catalog 273531
Description TISAB IV (ASTM D 1179) for samples containing <100 ppm in Fe and/or Al
Packaging 500ml
Specification liquid / COMPOSITION: Hydrochloric Acid 37%: 84 ml Tris (Hydroximethyl) Aminomethane: 242 g Sodium Tartrate 2-hydrate: 230 g Water (s.q.m): 1 l Note: pH 8.5±0.1
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Catalog 273531
Description TISAB IV (ASTM D 1179) for samples containing <100 ppm in Fe and/or Al
Packaging 500ml
Specification liquid / COMPOSITION: Hydrochloric Acid 37%: 84 ml Tris (Hydroximethyl) Aminomethane: 242 g Sodium Tartrate 2-hydrate: 230 g Water (s.q.m): 1 l Note: pH 8.5±0.1
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Catalog 273531
Description TISAB IV (ASTM D 1179) for samples containing <100 ppm in Fe and/or Al
Packaging 500ml
Specification liquid / COMPOSITION: Hydrochloric Acid 37%: 84 ml Tris (Hydroximethyl) Aminomethane: 242 g Sodium Tartrate 2-hydrate: 230 g Water (s.q.m): 1 l Note: pH 8.5±0.1
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Catalog 273526
Description TISAB III - Solution for detection of fluoride
Packaging 500ml / 5L
Specification liquid / COMPOSITION: 1,2-Diaminociclohexane N,N,N,N-tetraacetic Acid 1-hydrate: 18 g Ammonium Chloride: 96.65 g Ammonium Acetate: 163.4 g Cresol Red: 0.1 g Water (s.q.m): 1 l Note: pH 5.25±0.25
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Catalog 273526
Description TISAB III - Solution for detection of fluoride
Packaging 500ml / 5L
Specification liquid / COMPOSITION: 1,2-Diaminociclohexane N,N,N,N-tetraacetic Acid 1-hydrate: 18 g Ammonium Chloride: 96.65 g Ammonium Acetate: 163.4 g Cresol Red: 0.1 g Water (s.q.m): 1 l Note: pH 5.25±0.25
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Catalog 184385
Description Potassium Dichromate 0.04 mol/l with 80 g/l of Mercury(II) Sulfate volumetric solution
Packaging 1000ml
Specification liquid / Titer at 20°C: 0.999 - 1.001 Uncertainty: See certificate Traceability: NIST
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Catalog 176400
Description Methanol/2-Propanol 4:1 v/v pure
Packaging 5L
Specification liquid / COMPOSITION: Methanol: 800 ml 2-Propanol: 200 ml Density 20/4: 0.785 - 0.795
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Catalog 171183
Description Barium Chloride solution 10% w/v
Packaging 500ml / 5L
Specification CAS No. 10361-37-2 / liquid / M. W 244.28 g/mol
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Catalog 395508
Description Colour Standard Pt-Co, 500 APHA
Packaging 500ml
Specification liquid / COMPOSITION: Potassium Chloroplatinate: 1.245 g Cobalt (II) chloride 6-H2O: 1.000 g Water (s.q.m): 1000 ml Concentration: See certificate ABS λ 510 nm: 0.055 - 0.065 ABS λ 430 nm: 0.110 - 0.120 ABS λ 480 nm: 0.105 - 0.120 ABS λ 455 nm: 0.130 - 0.145
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Catalog 395465
Description Solution B for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hexamethylenetetramine: 10.0 g Water (s.q.m): 100.0 ml Assay (as (CH2)6N4) (w/v): 9.9 - 10.1 %
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Catalog 395464
Description Solution A for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hydrazinium Sulphate: 1.0 g Water (s.q.m): 100.0 ml Assay (as NH2-NH2, H2SO4) (w/v): 0.95 - 1.05 %
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Catalog 395443
Description Redox Standard 220 mV (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Hexacyanoferrate(II) 3-hydrate: 4.3 g Potassium Hexacyanoferrate(III): 3.3 g Buffer Solution pH 7.00: 200 ml Water (s.q.m): 1000 ml REDOX POTENTIAL VALUES DEPENDING ON TEMPERATURE T (°C): mV 10: 245 15: 236 20: 228 25: 220 30: 212 35: 204 40: 195 50: 178 60: 160 70: 142 Uncertainty: See certificate Potenctial at 25°C: 215 -225 mV
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Catalog 395442
Description Redox Standard 468 mV (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Iron(II) Sulphate 7-hydrate: 9.2 g Iron(III) Sulphate x-hydrate: 9.3 g Sulphuric Acid 96%: 18 ml Water (s.q.m): 1000 ml REDOX POTENTIAL VALUES DEPENDING ON TEMPERATURE T (°C): mV 10: 452 15: 457 20: 463 25: 468 30: 474 35: 479 40: 485 50: 497 60: 509 70: 522 Uncertainty: See certificate Potenctial at 25°C: 463 - 473 mV
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Catalog 394659
Description Conductivity Standard 1413 μS/cm (25°C)
Packaging 250 ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.010 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 1278 21,0: 1305 22,0: 1332 23,0: 1359 24,0: 1386 25,0: 1413 26,0: 1440 27,0: 1467 28,0: 1494 29,0: 1522 30,0: 1549 Uncertainty: See certificate Conductivity at 25°C: 1408 - 1418 μS/cm
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Catalog 394657
Description Conductivity Standard 5446 μS/cm (25°C)
Packaging 250 ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.040 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 4915 21,0: 5022 22,0: 5128 23,0: 5234 24,0: 5340 25,0: 5446 26,0: 5552 27,0: 5658 28,0: 5764 29,0: 5870 30,0: 5976 Uncertainty: See certificate Conductivity at 25°C: 5421 - 5451 μS/cm
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Catalog 394642
Description COD Standard (50 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.0425 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 40-60 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394641
Description COD Standard (3000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 2.5505 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 2900-3100 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394640
Description COD Standard (500 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.4251 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 450-550 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394547
Description COD Standard (150 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.1275 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 125-175 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394546
Description COD Standard (1000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.8502 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 900-1100 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394545
Description COD Standard (7000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 5.9514 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 6700-7300 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 381007
Description Acetone ultrapure
Packaging 1000ml
Specification CAS No. 67-64-1 / liquid / M.W 58.08 g/mol
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Catalog 287184
Description Acetone + Bromophenol blue 4,5 mg/L for determination of soap content in oils and fats
Packaging 5L
Specification liquid / COMPOSITION: Acetone: 900 ml Bromophenol Blue solution 0,1%: 4.5 ml Water: 27 ml Identity: passes test Density 20/4: 0.800 - 0.805
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Catalog 286079
Description Zeleny's Reagent for volumetric analysis
Packaging 1000ml
Specification liquid / Concentration: 0.50±0.005 mol/l Density 15/15: 0.984-0.986
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Catalog 285483
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 0,1 % for acidity determination in olive oil
Packaging 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 100 mg Diethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.762
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Catalog 285482
Description Ethanol / Diethyl Ether 1:1 v/v + Bromophenol Blue 0,2 % for acidity determination in olive oil
Packaging 30L
Specification liquid / COMPOSITION: Bromophenol Blue: 198 mg Diethyl Ether: 55 ml Ethanol 96 %: 55 ml Identity: passes test Density 20/4: 0.755 - 0.765
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Catalog 283462
Description Ferroin solution 0.025 mol/l (0.025M) for volumetric analysis
Packaging 100ml
Specification CAS No. 14634-91-4 / M.W 692.24 g/mol
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Catalog 283098
Description Silver Sulfate solution 10 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml / 2.5L
Specification Assay (as Ag2SO4): 9.8 - 10.2 g/l Suitability: for COD determination: passes test
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Catalog 282922
Description Silver Sulfate solution 6.6 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml
Specification Suitability for COD determination: passes test
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Catalog 281730
Description Buffer Solution pH 10 for volumetric analysis
Packaging 250ml / 1000ml / 5L
Specification liquid / COMPOSITION: Ammonium Chloride: 6.75 g Ammonia 30%: 35 ml Water (s.q.m): 100 ml Identity: passes test pH: 10.0 - 10.5
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Catalog 281590
Description Wijs' Reagent 0.1 mol/l (0.2N) for volumetric analysis
Packaging 500ml / 1000ml
Specification liquid / Titer at 20°C: 0.99 - 1.01 COMPOSITION: Iodine mono-Chloride: 1.8 g Acetic Acid glacial s.q.m: 100 ml
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Catalog 281572
Description Hanus Reagent 0.1 mol/l (0.2N) for volumetric analysis
Packaging 1000ml / 2.5L
Specification liquid / COMPOSITION: Iodine: 1.32 g Bromine: 0.812 g Acetic Acid glacial s.q.m: 100 ml
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Catalog 281384
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml / 2.5L / 5L
Specification liquid / Titer at 20°C: 1.000±0.005 Sodium Hydroxide: 0.111 mol/l
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Catalog 281381
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Sodium Hydroxide 50% sol. w/w: 2.06 ml Water (s.q.m): 100 ml
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Catalog 281380
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Potassium Hydroxide 50% w/w: 1.4 g Water (s.q.m): 100 ml
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Catalog 281298
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 15 mg/L for acidity determination in olive oil
Packaging 1000ml / 2.5L / 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 1.5 mg Ethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.765
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Catalog 281280
Description Complexon-Magnesium 0.1 mol/l for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Magnesium Sulphate 7-hydrate: 2.47 g Ethylenediaminetetraacetic Acid Disodium Salt 2-hydrate: 3.73 g Sodium Hydroxide pellets: 0.76 g Water (s.q.m): 100 ml
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Catalog 274765
Description TISAB II (STANDARD METHODS/AOAC) for samples containing <3 ppm in Fe and/or Al
Packaging 1000ml / 10L
Specification liquid / COMPOSITION: 1,2-Diaminociclohexane N,N,N,N-tetraacetic Acid 1-hydrate: 3.6 g Sodium Hydroxide 50% sol. w/w: 35 ml Acetic Acid glacial: 57 ml Sodium Chloride: 58 g Water (s.q.m): 1 l Note: pH 5.15±0.15
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Catalog 273531
Description TISAB IV (ASTM D 1179) for samples containing <100 ppm in Fe and/or Al
Packaging 500ml
Specification liquid / COMPOSITION: Hydrochloric Acid 37%: 84 ml Tris (Hydroximethyl) Aminomethane: 242 g Sodium Tartrate 2-hydrate: 230 g Water (s.q.m): 1 l Note: pH 8.5±0.1
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Catalog 396908
Description TOC Standard (1000 mg/l)
Packaging 1000 ml
Specification Liquid / Composition (2,1255 g C8H5O4K / l H2O) Concentration (as C4+): 1000±5 mg/l
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Catalog 396906
Description TOC Standard (100 mg/l)
Packaging 1000 ml
Specification liquid / Composition (212,6 mg C8H5O4K / l H2O) Concentration (as C4+): 100±0.5 mg/l
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Catalog 396905
Description TOC Standard (50 mg/l)
Packaging 1000ml
Specification liquid / Composition (106,3 mg C8H5O4K / l H2O) Concentration (as C4+): 50±0.3 mg/l
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Catalog 396882
Description Conductivity Standard 84 μS/cm (25°C)
Packaging 250ml
Specification COMPOSITION: Potassium Chloride: 0.00056 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 75.8 21,0: 77.5 22,0: 79.1 23,0: 80.7 24,0: 82.4 25,0: 84.0 26,0: 85.6 27,0: 87.3 28,0: 88.9 29,0: 90.6 30,0: 92.2 Uncertainty: See certificate Conductivity at 25°C: 82 - 86 μS/cm
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Catalog 396881
Description Conductivity Standard 147 μS/cm (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.001 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 133 21,0: 136 22,0: 139 23,0: 142 24,0: 145 25,0: 147 26,0: 150 27,0: 153 28,0: 156 29,0: 159 30,0: 162 Uncertainty: See certificate Conductivity at 25°C: 142 - 152 μS/cm
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Catalog 396070
Description UV-VIS Spectrophotometry Standard: solution for the wavelength control (Ph. Eur.)
Packaging 8 x 10 ml
Specification COMPOSITION: Holmium Oxide: 40.0 g Perchloric Acid 10% v/v (s.q.m): 1000 ml PRESENTATION: 8 x 10 ml Ampoules Uncertainty: See certificate Traceability: NIST Wavelength of ABS. Max (nm): Lambda (nm) guaranteed at 25°C:: 640.2 - 641.4 nm 536.4 - 537.6 nm 484.7 - 485.9 nm 467.3 - 468.5 nm 450.7 - 451.9 nm 416 - 417.2 nm 385.3 - 386.5 nm 360.6 - 361.8 nm 344.9 - 346.1 nm 332.8 - 334 nm 286.9 - 288.1 nm 277.4 - 278.6 nm 249.4 - 250.6 nm 240.5 - 241.7 nm Lambda (nm) according to Ph.Eur.: 533.3 - 539.3 nm 360.5 - 362.5 nm 286.15 - 288.15 nm 240.15 - 242.15 nm
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Catalog 396908
Description TOC Standard (1000 mg/l)
Packaging 1000 ml
Specification Liquid / Composition (2,1255 g C8H5O4K / l H2O) Concentration (as C4+): 1000±5 mg/l
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Catalog 396906
Description TOC Standard (100 mg/l)
Packaging 1000 ml
Specification liquid / Composition (212,6 mg C8H5O4K / l H2O) Concentration (as C4+): 100±0.5 mg/l
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Catalog 396905
Description TOC Standard (50 mg/l)
Packaging 1000ml
Specification liquid / Composition (106,3 mg C8H5O4K / l H2O) Concentration (as C4+): 50±0.3 mg/l
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Catalog 396882
Description Conductivity Standard 84 μS/cm (25°C)
Packaging 250ml
Specification COMPOSITION: Potassium Chloride: 0.00056 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 75.8 21,0: 77.5 22,0: 79.1 23,0: 80.7 24,0: 82.4 25,0: 84.0 26,0: 85.6 27,0: 87.3 28,0: 88.9 29,0: 90.6 30,0: 92.2 Uncertainty: See certificate Conductivity at 25°C: 82 - 86 μS/cm
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Catalog 396881
Description Conductivity Standard 147 μS/cm (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.001 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 133 21,0: 136 22,0: 139 23,0: 142 24,0: 145 25,0: 147 26,0: 150 27,0: 153 28,0: 156 29,0: 159 30,0: 162 Uncertainty: See certificate Conductivity at 25°C: 142 - 152 μS/cm
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Catalog 396070
Description UV-VIS Spectrophotometry Standard: solution for the wavelength control (Ph. Eur.)
Packaging 8 x 10 ml
Specification COMPOSITION: Holmium Oxide: 40.0 g Perchloric Acid 10% v/v (s.q.m): 1000 ml PRESENTATION: 8 x 10 ml Ampoules Uncertainty: See certificate Traceability: NIST Wavelength of ABS. Max (nm): Lambda (nm) guaranteed at 25°C:: 640.2 - 641.4 nm 536.4 - 537.6 nm 484.7 - 485.9 nm 467.3 - 468.5 nm 450.7 - 451.9 nm 416 - 417.2 nm 385.3 - 386.5 nm 360.6 - 361.8 nm 344.9 - 346.1 nm 332.8 - 334 nm 286.9 - 288.1 nm 277.4 - 278.6 nm 249.4 - 250.6 nm 240.5 - 241.7 nm Lambda (nm) according to Ph.Eur.: 533.3 - 539.3 nm 360.5 - 362.5 nm 286.15 - 288.15 nm 240.15 - 242.15 nm
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Catalog 395508
Description Colour Standard Pt-Co, 500 APHA
Packaging 500ml
Specification liquid / COMPOSITION: Potassium Chloroplatinate: 1.245 g Cobalt (II) chloride 6-H2O: 1.000 g Water (s.q.m): 1000 ml Concentration: See certificate ABS λ 510 nm: 0.055 - 0.065 ABS λ 430 nm: 0.110 - 0.120 ABS λ 480 nm: 0.105 - 0.120 ABS λ 455 nm: 0.130 - 0.145
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Catalog 395465
Description Solution B for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hexamethylenetetramine: 10.0 g Water (s.q.m): 100.0 ml Assay (as (CH2)6N4) (w/v): 9.9 - 10.1 %
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Catalog 395464
Description Solution A for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hydrazinium Sulphate: 1.0 g Water (s.q.m): 100.0 ml Assay (as NH2-NH2, H2SO4) (w/v): 0.95 - 1.05 %
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Catalog 395443
Description Redox Standard 220 mV (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Hexacyanoferrate(II) 3-hydrate: 4.3 g Potassium Hexacyanoferrate(III): 3.3 g Buffer Solution pH 7.00: 200 ml Water (s.q.m): 1000 ml REDOX POTENTIAL VALUES DEPENDING ON TEMPERATURE T (°C): mV 10: 245 15: 236 20: 228 25: 220 30: 212 35: 204 40: 195 50: 178 60: 160 70: 142 Uncertainty: See certificate Potenctial at 25°C: 215 -225 mV
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Catalog 395442
Description Redox Standard 468 mV (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Iron(II) Sulphate 7-hydrate: 9.2 g Iron(III) Sulphate x-hydrate: 9.3 g Sulphuric Acid 96%: 18 ml Water (s.q.m): 1000 ml REDOX POTENTIAL VALUES DEPENDING ON TEMPERATURE T (°C): mV 10: 452 15: 457 20: 463 25: 468 30: 474 35: 479 40: 485 50: 497 60: 509 70: 522 Uncertainty: See certificate Potenctial at 25°C: 463 - 473 mV
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Catalog 394659
Description Conductivity Standard 1413 μS/cm (25°C)
Packaging 250 ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.010 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 1278 21,0: 1305 22,0: 1332 23,0: 1359 24,0: 1386 25,0: 1413 26,0: 1440 27,0: 1467 28,0: 1494 29,0: 1522 30,0: 1549 Uncertainty: See certificate Conductivity at 25°C: 1408 - 1418 μS/cm
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Catalog 394658
Description Conductivity Standard 12.88 mS/cm (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.100 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (mS/cm) 20,0: 11.67 21,0: 11.91 22,0: 12.15 23,0: 12.39 24,0: 12.64 25,0: 12.88 26,0: 13.13 27,0: 13.37 28,0: 13.62 29,0: 13.87 30,0: 14.12 Uncertainty: See certificate Conductivity at 25°C: 12.82 - 12.94 mS/cm
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Catalog 394657
Description Conductivity Standard 5446 μS/cm (25°C)
Packaging 250 ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.040 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 4915 21,0: 5022 22,0: 5128 23,0: 5234 24,0: 5340 25,0: 5446 26,0: 5552 27,0: 5658 28,0: 5764 29,0: 5870 30,0: 5976 Uncertainty: See certificate Conductivity at 25°C: 5421 - 5451 μS/cm
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Catalog 396908
Description TOC Standard (1000 mg/l)
Packaging 1000 ml
Specification Liquid / Composition (2,1255 g C8H5O4K / l H2O) Concentration (as C4+): 1000±5 mg/l
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Catalog 396906
Description TOC Standard (100 mg/l)
Packaging 1000 ml
Specification liquid / Composition (212,6 mg C8H5O4K / l H2O) Concentration (as C4+): 100±0.5 mg/l
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Catalog 396905
Description TOC Standard (50 mg/l)
Packaging 1000ml
Specification liquid / Composition (106,3 mg C8H5O4K / l H2O) Concentration (as C4+): 50±0.3 mg/l
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Catalog 396882
Description Conductivity Standard 84 μS/cm (25°C)
Packaging 250ml
Specification COMPOSITION: Potassium Chloride: 0.00056 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 75.8 21,0: 77.5 22,0: 79.1 23,0: 80.7 24,0: 82.4 25,0: 84.0 26,0: 85.6 27,0: 87.3 28,0: 88.9 29,0: 90.6 30,0: 92.2 Uncertainty: See certificate Conductivity at 25°C: 82 - 86 μS/cm
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Catalog 396881
Description Conductivity Standard 147 μS/cm (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.001 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 133 21,0: 136 22,0: 139 23,0: 142 24,0: 145 25,0: 147 26,0: 150 27,0: 153 28,0: 156 29,0: 159 30,0: 162 Uncertainty: See certificate Conductivity at 25°C: 142 - 152 μS/cm
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Catalog 396070
Description UV-VIS Spectrophotometry Standard: solution for the wavelength control (Ph. Eur.)
Packaging 8 x 10 ml
Specification COMPOSITION: Holmium Oxide: 40.0 g Perchloric Acid 10% v/v (s.q.m): 1000 ml PRESENTATION: 8 x 10 ml Ampoules Uncertainty: See certificate Traceability: NIST Wavelength of ABS. Max (nm): Lambda (nm) guaranteed at 25°C:: 640.2 - 641.4 nm 536.4 - 537.6 nm 484.7 - 485.9 nm 467.3 - 468.5 nm 450.7 - 451.9 nm 416 - 417.2 nm 385.3 - 386.5 nm 360.6 - 361.8 nm 344.9 - 346.1 nm 332.8 - 334 nm 286.9 - 288.1 nm 277.4 - 278.6 nm 249.4 - 250.6 nm 240.5 - 241.7 nm Lambda (nm) according to Ph.Eur.: 533.3 - 539.3 nm 360.5 - 362.5 nm 286.15 - 288.15 nm 240.15 - 242.15 nm
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Catalog 395508
Description Colour Standard Pt-Co, 500 APHA
Packaging 500ml
Specification liquid / COMPOSITION: Potassium Chloroplatinate: 1.245 g Cobalt (II) chloride 6-H2O: 1.000 g Water (s.q.m): 1000 ml Concentration: See certificate ABS λ 510 nm: 0.055 - 0.065 ABS λ 430 nm: 0.110 - 0.120 ABS λ 480 nm: 0.105 - 0.120 ABS λ 455 nm: 0.130 - 0.145
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Catalog 395465
Description Solution B for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hexamethylenetetramine: 10.0 g Water (s.q.m): 100.0 ml Assay (as (CH2)6N4) (w/v): 9.9 - 10.1 %
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Catalog 395464
Description Solution A for turbidity primary standard
Packaging 250ml
Specification COMPOSITION: Hydrazinium Sulphate: 1.0 g Water (s.q.m): 100.0 ml Assay (as NH2-NH2, H2SO4) (w/v): 0.95 - 1.05 %
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Catalog 395443
Description Redox Standard 220 mV (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Hexacyanoferrate(II) 3-hydrate: 4.3 g Potassium Hexacyanoferrate(III): 3.3 g Buffer Solution pH 7.00: 200 ml Water (s.q.m): 1000 ml REDOX POTENTIAL VALUES DEPENDING ON TEMPERATURE T (°C): mV 10: 245 15: 236 20: 228 25: 220 30: 212 35: 204 40: 195 50: 178 60: 160 70: 142 Uncertainty: See certificate Potenctial at 25°C: 215 -225 mV
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Catalog 395442
Description Redox Standard 468 mV (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Iron(II) Sulphate 7-hydrate: 9.2 g Iron(III) Sulphate x-hydrate: 9.3 g Sulphuric Acid 96%: 18 ml Water (s.q.m): 1000 ml REDOX POTENTIAL VALUES DEPENDING ON TEMPERATURE T (°C): mV 10: 452 15: 457 20: 463 25: 468 30: 474 35: 479 40: 485 50: 497 60: 509 70: 522 Uncertainty: See certificate Potenctial at 25°C: 463 - 473 mV
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Catalog 394659
Description Conductivity Standard 1413 μS/cm (25°C)
Packaging 250 ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.010 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 1278 21,0: 1305 22,0: 1332 23,0: 1359 24,0: 1386 25,0: 1413 26,0: 1440 27,0: 1467 28,0: 1494 29,0: 1522 30,0: 1549 Uncertainty: See certificate Conductivity at 25°C: 1408 - 1418 μS/cm
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Catalog 394658
Description Conductivity Standard 12.88 mS/cm (25°C)
Packaging 250ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.100 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (mS/cm) 20,0: 11.67 21,0: 11.91 22,0: 12.15 23,0: 12.39 24,0: 12.64 25,0: 12.88 26,0: 13.13 27,0: 13.37 28,0: 13.62 29,0: 13.87 30,0: 14.12 Uncertainty: See certificate Conductivity at 25°C: 12.82 - 12.94 mS/cm
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Catalog 394657
Description Conductivity Standard 5446 μS/cm (25°C)
Packaging 250 ml
Specification liquid / COMPOSITION: Potassium Chloride: 0.040 mol/l CONDUCTIVITY VALUES DEPENDING ON TEMPERATURE T (°C): (μS/cm) 20,0: 4915 21,0: 5022 22,0: 5128 23,0: 5234 24,0: 5340 25,0: 5446 26,0: 5552 27,0: 5658 28,0: 5764 29,0: 5870 30,0: 5976 Uncertainty: See certificate Conductivity at 25°C: 5421 - 5451 μS/cm
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Catalog 394642
Description COD Standard (50 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.0425 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 40-60 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394641
Description COD Standard (3000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 2.5505 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 2900-3100 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394640
Description COD Standard (500 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.4251 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 450-550 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394547
Description COD Standard (150 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.1275 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 125-175 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394546
Description COD Standard (1000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 0.8502 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 900-1100 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 394545
Description COD Standard (7000 ppm)
Packaging 25ml
Specification liquid / COMPOSITION: Potassium Hydrogen Phthalate: 5.9514 g Distilled water (s.q.m.): 1000.0 ml Uncertainty: See certificate Traceability: NIST Concentration: 6700-7300 ppm The used reference product, is traceable with the NIST standard Potassium Hydrogen Phthalate ref. 84j
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Catalog 381007
Description Acetone ultrapure
Packaging 1000ml
Specification CAS No. 67-64-1 / liquid / M.W 58.08 g/mol
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Catalog 287184
Description Acetone + Bromophenol blue 4,5 mg/L for determination of soap content in oils and fats
Packaging 5L
Specification liquid / COMPOSITION: Acetone: 900 ml Bromophenol Blue solution 0,1%: 4.5 ml Water: 27 ml Identity: passes test Density 20/4: 0.800 - 0.805
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Catalog 286301
Description Chlorine Reagent DPD for volumetric analysis
Packaging 100ml
Specification liquid / Suitability: for the chlorine determination: passes test
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Catalog 286300
Description Chlorine Reagent Buffer for volumetric analysis
Packaging 480g
Specification solid / Suitability: for the chlorine determination: passes test
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Catalog 286079
Description Zeleny's Reagent for volumetric analysis
Packaging 1000ml
Specification liquid / Concentration: 0.50±0.005 mol/l Density 15/15: 0.984-0.986
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Catalog 285483
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 0,1 % for acidity determination in olive oil
Packaging 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 100 mg Diethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.762
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Catalog 285482
Description Ethanol / Diethyl Ether 1:1 v/v + Bromophenol Blue 0,2 % for acidity determination in olive oil
Packaging 30L
Specification liquid / COMPOSITION: Bromophenol Blue: 198 mg Diethyl Ether: 55 ml Ethanol 96 %: 55 ml Identity: passes test Density 20/4: 0.755 - 0.765
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Catalog 283462
Description Ferroin solution 0.025 mol/l (0.025M) for volumetric analysis
Packaging 100ml
Specification CAS No. 14634-91-4 / M.W 692.24 g/mol
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Catalog 283098
Description Silver Sulfate solution 10 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml / 2.5L
Specification Assay (as Ag2SO4): 9.8 - 10.2 g/l Suitability: for COD determination: passes test
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Catalog 282922
Description Silver Sulfate solution 6.6 g/l in sulfuric acid for volumetric analysis
Packaging 1000ml
Specification Suitability for COD determination: passes test
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Catalog 281730
Description Buffer Solution pH 10 for volumetric analysis
Packaging 250ml / 1000ml / 5L
Specification liquid / COMPOSITION: Ammonium Chloride: 6.75 g Ammonia 30%: 35 ml Water (s.q.m): 100 ml Identity: passes test pH: 10.0 - 10.5
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Catalog 281590
Description Wijs' Reagent 0.1 mol/l (0.2N) for volumetric analysis
Packaging 500ml / 1000ml
Specification liquid / Titer at 20°C: 0.99 - 1.01 COMPOSITION: Iodine mono-Chloride: 1.8 g Acetic Acid glacial s.q.m: 100 ml
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Catalog 281574
Description Karl Fischer's Reagent Composite for volumetric analysis
Packaging 1000ml / 2.5L
Specification liquid / 1 ml of Reagent corresponds to minimum 5 mg of water
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Catalog 281572
Description Hanus Reagent 0.1 mol/l (0.2N) for volumetric analysis
Packaging 1000ml / 2.5L
Specification liquid / COMPOSITION: Iodine: 1.32 g Bromine: 0.812 g Acetic Acid glacial s.q.m: 100 ml
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Catalog 281384
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml / 2.5L / 5L
Specification liquid / Titer at 20°C: 1.000±0.005 Sodium Hydroxide: 0.111 mol/l
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Catalog 281381
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Sodium Hydroxide 50% sol. w/w: 2.06 ml Water (s.q.m): 100 ml
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Catalog 281380
Description Acidimetric Liquor titrated for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Potassium Hydroxide 50% w/w: 1.4 g Water (s.q.m): 100 ml
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Catalog 281298
Description Ethanol / Diethyl Ether 1:1 v/v + Phenolphthalein 15 mg/L for acidity determination in olive oil
Packaging 1000ml / 2.5L / 5L / 10L / 30L
Specification liquid / COMPOSITION: Phenolphtalein: 1.5 mg Ethyl Ether: 50 ml Ethanol: 50 ml Identity: passes test Density 20/4: 0.755 - 0.765
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Catalog 281280
Description Complexon-Magnesium 0.1 mol/l for volumetric analysis
Packaging 1000ml
Specification liquid / COMPOSITION: Magnesium Sulphate 7-hydrate: 2.47 g Ethylenediaminetetraacetic Acid Disodium Salt 2-hydrate: 3.73 g Sodium Hydroxide pellets: 0.76 g Water (s.q.m): 100 ml
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Catalog 274765
Description TISAB II (STANDARD METHODS/AOAC) for samples containing <3 ppm in Fe and/or Al
Packaging 1000ml / 10L
Specification liquid / COMPOSITION: 1,2-Diaminociclohexane N,N,N,N-tetraacetic Acid 1-hydrate: 3.6 g Sodium Hydroxide 50% sol. w/w: 35 ml Acetic Acid glacial: 57 ml Sodium Chloride: 58 g Water (s.q.m): 1 l Note: pH 5.15±0.15
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Catalog 273531
Description TISAB IV (ASTM D 1179) for samples containing <100 ppm in Fe and/or Al
Packaging 500ml
Specification liquid / COMPOSITION: Hydrochloric Acid 37%: 84 ml Tris (Hydroximethyl) Aminomethane: 242 g Sodium Tartrate 2-hydrate: 230 g Water (s.q.m): 1 l Note: pH 8.5±0.1
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Catalog 273526
Description TISAB III - Solution for detection of fluoride
Packaging 500ml / 5L
Specification liquid / COMPOSITION: 1,2-Diaminociclohexane N,N,N,N-tetraacetic Acid 1-hydrate: 18 g Ammonium Chloride: 96.65 g Ammonium Acetate: 163.4 g Cresol Red: 0.1 g Water (s.q.m): 1 l Note: pH 5.25±0.25
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Catalog 185227
Description Ammonium Iron(II) Sulfate 0.12 mol/l (0.12N) volumetric solution
Packaging 1000ml
Specification CAS No. 7783-85-9 / liquid / M.W 392.14 g/mol
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Catalog 184385
Description Potassium Dichromate 0.04 mol/l with 80 g/l of Mercury(II) Sulfate volumetric solution
Packaging 1000ml
Specification liquid / Titer at 20°C: 0.999 - 1.001 Uncertainty: See certificate Traceability: NIST
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Catalog 182146
Description Potassium Hydroxide 0.1 mol/l (0.1N) in ethanol (Reag. USP, Ph.Eur.) volumetric solution
Packaging 1000ml
Specification liquid / M.W 56.11 g/mol
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Catalog 181519
Description Potassium Hydroxide 0.5 mol/l (0.5N) in ethanol (Reag. USP, Ph.Eur.) volumetric solution
Packaging 1000ml
Specification liquid / M.W 56.11 g/mol /
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Catalog 181369
Description Ammonium Iron(II) Sulfate 0.1 mol/l (0.1N) volumetric solution
Packaging 1000ml / 5L
Specification CAS No. 7783-85-9 / liquid / M.W 284.05 g/mol
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Catalog 177177
Description Buffer Solution pH 5,5 (20°C) for determination of aluminium
Packaging 5L
Specification liquid / COMPOSITION: Sodium Acetate 3-hydrate: 100 g Acetic Acid glacial: 10 ml Water (s.q.m): 1000 ml pH at 20°C: 5.4 - 5.6
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Catalog 177137
Description Allylthiourea solution (1 g/L) for BOD determination
Packaging 250ml
Specification Liquid
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Catalog 177085
Description Potassium Dichromate 0.02 mol/l with 80 g/l of Mercury(II) Sulfate volumetric solution
Packaging 2.5L
Specification liquid / Composition: Potassium dichromate: 0.02 mol/L Mercury(II) sulfate: 80 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 177074
Description Potassium Dichromate 0.005 mol/l with 20 g/l of Mercury(II) Sulfate
Packaging 1L
Specification liquid / Composition: Potassium dichromate: 0.005 mol/L Mercury(II) sulfate: 20 g/L Sulfuric acid (96 %): 176 g/L
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Catalog 176992
Description Myxture Methanol 85% + 2-Methyl-2-Propanol 15%
Packaging 5L
Specification liquid / COMPOSITION: Methanol: 850 ml 2-Methyl-2-Propanol: 150 ml
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Catalog 176408
Description Liquid Pepsin
Packaging 5L
Specification CAS No. 9001-75-6 / liquid / Proteolytic Activity: 660 u Ph. Eur./ml
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Catalog 176400
Description Methanol/2-Propanol 4:1 v/v pure
Packaging 5L
Specification liquid / COMPOSITION: Methanol: 800 ml 2-Propanol: 200 ml Density 20/4: 0.785 - 0.795
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Catalog 176191
Description Sulfuric Acid 0.13 mol/l (0.26N)
Packaging 1000ml
Specification CAS No. 7664-93-9 / liquid / M.W 98.08 g/mol
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Catalog 176131
Description Azidiol
Packaging 1000ml
Specification liquid / COMPOSITION: Chloramphenicol: 0.75 g Ethanol absolute: 10 ml Bromophenol Blue: 0.35 g Sodium Azide: 18 g tri-Sodium Citrate 5,5-hydrate: 45 g Water (s.q.m): 1000 ml Identity: passes test
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Catalog 175748
Description Pepsin Pack
Packaging pack
Specification Comprised of: 175208 Pepsin 1:10.000 NF(3x1000g) 133378 Hydrochloric Acid 25%(1x5l)
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Catalog 175387
Description Wide Spectrum Microtablets II
Packaging 90g
Specification COMPOSITION: 2-Bromo-2-Nitro-1,3-Propanediol: 9.85 mg Natamycin: 0.9 mg Sodium Chloride: 6.21 mg Magnesium Stearate: 0.36 mg Lactose 1-hydrate: 0.18 mg Sunset Yellow: 0.5 mg
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Catalog 175208
Description Pepsin 1:10.000 NF
Packaging 1000g
Specification CAS No. 9001-75-6 / solid Identity: IR passes test pH of 5% solution: 3-5 Maximum limit of impurities Insoluble matter in H2O: passes test Proteolytic Activity: 1:10000
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Catalog 175145
Description OXI-OLEO-TEST
Packaging pack
Specification Comprised of: 2x100 ml OXI-OLEO-TEST Reagent 1 1x20 ml OXI-OLEO-TEST Reagent 2 1 Plastic case 1 Plastic syringe of 5 ml 2 Test tubes with stopper 1 Scoop 1 Colour scale 1 Instructions sheet
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Catalog 175055
Description Detergent Acid Solution
Packaging 4L
Specification liquid / COMPOSITION: N-Cetyl-N,N,N-Trimethylammonium Bromide (in H2SO4 1 N): 20 g/l Identity: passes test
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Catalog 175054
Description Detergent Neutral Solution
Packaging 4L
Specification liquid / COMPOSITION: Sodium Dodecyl Sulphate: 30.0 g/l Ethylenediaminetetraacetic Acid Disodium Salt 2-hydrate: 18.6 g/l di-Sodium tetra-Borate 10-hydrate: 6.8 g/l di-Sodium Hidrogen Phosphate anhydrous: 4.6 g/l Triethylene Glycol: 10 ml/l Identity: passes test pH: 6.9 - 7.1
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Catalog 174748
Description Wide Spectrum Microtablets I
Packaging 90g
Specification COMPOSITION: 2-Bromo-2-Nitro-1,3-Propanediol: 10 mg Natamycin: 0.45 mg pH chromatic indicator: 0.5 mg Excipient: 7.05 mg Identity: passes test pH transition interval: bluish purple (Sample recently prepared): 6.8 pH transition interval: greenish yellow (Sample altered): 5.2
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Catalog 174351
Description Ammonium Molybdate 4-hydrate solution 5% in dil.sulfuric acid
Packaging 5L
Specification liquid / Assay (Compl.): ~5%
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Catalog 173655
Description Concentrated solution for the sand equivalent determination
Packaging 125ml
Specification liquid / COMPOSITION: Calcium Chloride anhydrous: 110-112 g Glycerol: 475-485 g Formaldehyde 35-40% w/v: 12-13 g Water (s.q.m): 1000 ml Identity: passes test Density 20/4: 1.191 - 1.195
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Catalog 173356
Description Carrez's Reagent II
Packaging 1000ml / 5L
Specification liquid / COMPOSITION: Potassium Hexacyanoferrate(II) 3-hydrate: 107 g Water (s.q.m): 1 l Assay (Potassium Hexacyanoferrate (II) 3-hydrate): 10.6 ± 0.5% p/v Identity: passes test
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Catalog 173355
Description Carrez's Reagent I
Packaging 1000ml / 5L
Specification liquid / COMPOSITION: Zinc Acetate 2-hydrate: 239 g Acetic Acid glacial: 28.6 ml Water (s.q.m): 1 l Assay (Zinc acetate 2-hydrate): 23.8 ± 0.5 % p/v Identity: passes test
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Catalog 173333
Description Vanadate-Molybdate Reagent
Packaging 1000ml
Specification liquid / COMPOSITION: Ammonium Molybdate 4-hydrate: 2.97 g Ammonium meta-Vanadate: 0.15 g Sulphuric Acid 96%: 14.2 ml Water (s.q.m): 100 ml Suitability for determination of phosphates: passes test
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Catalog 172417
Description o-Tolidine solution 0.1%
Packaging 250ml / 1000ml
Specification CAS No. 119-93-7 / liquid / M.W 212.29 g/mol
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Catalog 172308
Description Copper(II) Ethylenediamine Reagent
Packaging 1000ml / 2.5L
Specification CAS No. 14552-35-3 / pH of 1% solution: 12.0 - 12.5 Density 20/4: 1.096-1.102 Ratio C2H8N2/Cu: 2.00 ± 0.04 Ethylendiamine: 2.00 ± 0.10 mol/l Cu: 1.00 ± 0.02 mol/l
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Catalog 172174
Description Luff-Schoorl's Reagent
Packaging 1000ml
Specification liquid COMPOSITION: Sodium Carbonate anhydrous: 14.36 g Citric Acid anhydrous: 5.47 g Copper(II) Sulphate 5-hydrate: 2.6 g Water (s.q.m): 100 ml Identity: passes test Suitability for determination of glucose: passes test
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Catalog 171690
Description Sodium Hydroxide solution 30% w/v
Packaging 500ml / 5L
Specification CAS No. 1310-73-2 / liquid / M.W 40.00 g/mol
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Catalog 171581
Description Nessler's Reagent
Packaging 250ml
Specification liquid COMPOSITION: Mercury(II) Iodide: 100 g Potassium Iodide: 70 g Sodium Hydroxide: 160 g Water (s.q.m): 1 l
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Catalog 171570
Description Griess-Ilosvay's B Reagent
Packaging 100ml
Specification liquid COMPOSITION: 1-Naphthylamine: 70 mg Acetic Acid glacial: 30 ml Water: 77.5 ml
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Catalog 171569
Description Griess-Ilosvay's A Reagent
Packaging 100ml
Specification liquid COMPOSITION: Sulphanilic Acid: 0.34 g Acetic Acid glacial: 30 ml Water: 64 ml
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Catalog 171543
Description Potassium Iodide solution 10% w/v
Packaging 250ml / 1000ml
Specification CAS No. 7681-11-0 / liquid / M.W 166.01 g/mol
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Catalog 171386
Description Hydrotimetric Liquor
Packaging 1000 ml
Specification liquid / COMPOSITION: Pure olive oil: 28.3 ml Formaldehyde 35-40%: 5 ml Sodium Hydroxide pellets: 4.46 g Ethanol absolute: 552.4 ml Water: 452.6 ml
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Catalog 171230
Description Calcium Lactate 5-hydrate for soil testing
Packaging 1kg / 5kg
Specification CAS No. 28305-25-1 / Solid / M.W 308.30 g/mol
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Catalog 171183
Description Barium Chloride solution 10% w/v
Packaging 500ml / 5L
Specification CAS No. 10361-37-2 / liquid / M. W 244.28 g/mol
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Catalog 171072
Description Bromine Water saturated solution
Packaging 500ml
Specification CAS No. 7726-95-6 / liquid / M.W 159.92 g/mol
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Catalog 171058
Description Sulfuric Acid 96 % ± 0.15 % Viscosimetry grade
Packaging 1L / 2,5L
Specification CAS No. 7664-93-9 / Liquid / M.W 98.08 g/mol

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