|
Appearance
|
White crystalline powder
|
|
Assay (argentometric)
|
Min 99.0%
|
|
Insoluble matter
|
Max 0.005%
|
|
pH (5% solution in water at 25°C)
|
5.0 - 8.8
|
|
Bromate (BrO3)
|
Max 0.001%
|
|
Iodate (IO3)
|
Max 0.001%
|
|
Chloride (Cl)
|
Max 0.2%
|
|
Iodide (I)
|
Max 0.001%
|
|
Sulphate (SO4)
|
Max 0.005%
|
|
Total nitrogen (N)
|
Max 0.001%
|
|
Heavy metals (by ICP-OES)
|
Max 0.0005%
|
|
Barium (Ba)
|
Max 0.002%
|
|
Calcium (Ca)
|
Max 0.002%
|
|
Iron (Fe)
|
Max 0.0005%
|
|
Magnesium (Mg)
|
Max 0.001%
|
|
Sodium (Na)
|
Max 0.02%
|