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Appearance
|
Colorless to white deliquescent crystals
|
|
Assay (argentometric)
|
Min 98.5%
|
|
Substance insoluble in water
|
Max 0.005%
|
|
pH (5% solution in water)
|
5.3 - 8.5
|
|
Chloride (Cl)
|
Max 0.005%
|
|
Sulphate (SO4)
|
Max 0.005%
|
|
Ammonium (NH4)
|
Max 0.003%
|
|
Heavy metal (as Pb)
|
Max 0.0005%
|
|
Iron (Fe)
|
Max 0.0002%
|
|
Sodium (Na)
|
Max 0.005%
|
|
Iodine consuming substances
|
Passes ACS test
|