|
Appearance
|
White powder
|
|
Assay
|
Min 99%
|
|
Identification
|
Passes test
|
|
Appearance of solution
|
Passes test
|
|
Acidity or alkalinity
|
Passes test
|
|
Related Substances
|
Passes test
|
|
Chloride (Cl)
|
Max 0.01%
|
|
Sulphate (SO4)
|
Max 0.03%
|
|
Ammonium (NH4)
|
Max 0.001%
|
|
Heavy metal (as Pb)
|
Max 0.001%
|
|
Loss on drying
|
Max 0.5%
|
|
Residue on ignition
|
Max 0.1%
|
|
Organic volatile impurities (By GC)
|
Passes test
|
|
Residual solvents
|
Passes test
|
|
Nitrogen content (as N)
|
50.2-53.4%
|