PH Indicator Papers
141220
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Sodium Hydroxide solution 40 % w/w pure
5 L
Assay (titr.): approx. 40 %
Total N: max. 0.0003 %
Carbonate: max. 1 %
Chloride: max. 0.005 %
Silicate: max. 0.005 %
Sulfate: max. 0.005 %
Al: max. 0.0005 %
Fe: max. 0.0005 %
Pb: max. 0.0005 %