Item
Specification
Result
Appearance
White crystalline
powder
Conforms
Assay(on dried
basis)
≥99%
99.8%
Solubility
Freely
soluble in water and in glacial acetic acid, practically insoluble in acetone
and alcohol
Conforms
Chlorides
≤140ppm
＜140ppm
Heavy Metals
≤10ppm
＜10ppm
Loss on drying
≤0.5%
0.30%
Sulphated Ash
≤0.1%
0.05%