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Appearance
|
White crystalline powder
|
|
Assay (argentometric)
|
Min 99%
|
|
pH (5% solution in water at 25°C)
|
5.0 to 8.8
|
|
Insoluble matter
|
Max 0.005%
|
|
Bromate (BrO3)
|
Max 0.001%
|
|
Chloride (Cl)
|
Max 0.2%
|
|
Sulphate (SO4)
|
Max 0.002%
|
|
Barium (Ba)
|
Max 0.002%
|
|
Iron (Fe)
|
Max 0.0005%
|
|
Calcium (Ca)
|
Max 0.002 %
|
|
Magnesium (Mg)
|
Max 0.001%
|
|
Potassium (K)
|
Max 0.1 %
|
|
Heavy metal (as Pb)
|
Max 0.0005%
|
|
Loss on drying (at 105°C)
|
Max 2.0%
|