Appearance
|
A hygroscopic white crystalline powder or granules
|
Assay (acidimetric)
|
Min 99%
|
Insoluble matter in water
|
Max 0.02%
|
Loss on drying (at 300°C)
|
Max 3%
|
Chloride (Cl)
|
Max 0.01%
|
Phosphate (PO4)
|
Max 0.005%
|
Sulphate (SO4)
|
Max 0.05%
|
Calcium (Ca)
|
Max 0.01%
|
Iron (Fe)
|
Max 0.01%
|
Magnesium (Mg)
|
Max 0.01%
|