Characteristics
a white crystalline Powder or colorless crystals or white pearls ,freely soluble in water
Assay
99.0%-100.5%
Loss on drying
0.5% max
Acidity/alkalinity
Conform
Appearance of Solution
Clear
Arsenic
0.0001% max
Barium
Iron
0.0002% max
Magnesium and alkaline-earth metals
0.01%max
Bromides
0.01% max
Iodides
Sulphate
0.02% max
Heavy Metals
0.0005% max
Aluminium
0.00002% max
Ferrocyanides
Phosphates
Potassium
Nitrites
Bacterial endotoxins
5IU/g max