产品描述

Appearance    White or almost white, crystalline powder or colourless crystals
Identification    IR,Characteristic Reaction and Test of chlorides
Assay     98.5-101.0
pH    2.7-3.3
Absorbance of solution     =<0.025
Solubility     Freely Soluble in Water,Soluble in Glycerol,Slightly Soluble in Alcohol
Appearance of solution     Clear and not more than Y7
Sulphates     =<300PPM
Limit of nitrate    No brown ring is produced
Heavy metals     =<20 PPM
Related substances      Any impurity % =<0.4
Water     =<5.0
Sulphated ash/Residueon ignition      =<0.1
Chromatographic purity     =<1.0