Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 2% aq. hot solution
Clear
Solubility (Colour) 2% aq. hot solution
Colourless
Assay (Iodometric)
min. 99.8%
pH (0.5% aq. solution)
4.9 - 5.3
Loss on drying
max. 0.1%
Bromate, Bromide, Chlorate Chloride (Cl)
max. 0.01%
Sulphate (SO4)
max. 0.01%
Iron (Fe)
max. 0.001%
Heavy Metals (Pb)
max. 0.001%
Iodide (I)
max. 0.001%
Manganese (Mn)
max. 0.0001%