172429
관리자 [2018-08-30 13:01:00]
조회수 432
Kjeldahl Catalyst (Cu-Se) (1,5% CuSO4.5H2O + 2% Se) powder
1000g
solid / COMPOSITION:
Potassium Sulphate: 96.5%
Copper(II) Sulphate 5-hydrate: 1.5%
Selenium: 2%
Suitability for determination of nitrogen: passes test
Potassium Sulphate: 96.5%
Copper(II) Sulphate 5-hydrate: 1.5%
Selenium: 2%
Suitability for determination of nitrogen: passes test
