|
Appearance
|
White powder or crystalline powder
|
|
Assay
|
99.0-101.0%
|
|
Solubility
|
Passes test
|
|
Melting point
|
151-154°C
|
|
Identity (IR)
|
Passes test
|
|
Appearance of solution
|
Passes test
|
|
Chloride (Cl)
|
Max 0.02%
|
|
Nitrate (NO3)
|
Max 0.003%
|
|
Sulphate (SO4)
|
Max 0.05%
|
|
Iron (Fe)
|
Max 0.001%
|
|
Heavy metal (as Pb)
|
Max 0.001%
|
|
Loss on drying
|
Max 0.2%
|
|
Sulphated ash
|
Max 0.1%
|