|
Appearance
|
White crystalline powder
|
|
Assay (argentometric)
|
99-100.5%
|
|
Identification
|
Passes test
|
|
Appearance of solution
|
Passes test
|
|
Acidity or alkalinity
|
Passes test
|
|
Bromide (Br)
|
Max 0.1%
|
|
Iodide (I)
|
Passes test
|
|
Sulphate (SO4)
|
Max 0.03%
|
|
Heavy metal (as Pb)
|
Max 0.001%
|
|
Barium (Ba)
|
Passes test
|
|
Magnesium and alkali earth metals
|
Passes test
|
|
Calcium & magnesium
|
Passes test
|
|
Iron (Fe)
|
Max 0.002%
|
|
Arsenic (As)
|
Max 0.0001%
|
|
Loss on drying (at 130°C)
|
Max 1.0%
|