产品描述

Appearance     White Crystalline Powder
Identification     Positive
Whiteness     > 80
Assay     > 99%
Loss on Drying     =< 0.5%
Acidity and Alkalinity     =< 1%
Solubility     Freely soluble in water, practically insoluble in ethanol
Heavy Metals (as Pb)     =< 1mg/ kg
Arsenic     =< 0.5mg/ kg
Ammonium (as NH﹢4)     =< 100mg/ kg
Sodium Chloride     =< 1.45%
Water Insoluble Impurities     =< 0.05%
Water Insoluble Residue     =<0.05%