Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (ex Cl)
min. 99.9%
Water Insoluble matter
max. 0.005%
pH (5% aq. solution)
5.0 - 9.0
Sulphate (SO4)
max. 0.004%
Iron (Fe)
max. 0.0002%
Heavy Metals (Pb)
max. 0.0005%
Phosphate (PO4)
max. 0.0005%
Bromide (Br)
max. 0.01%
Iodide (I)
max. 0.002%
Potassium (K)
max. 0.005%
Chlorate & Nitrate (NO3)
max. 0.003%
Barium (Ba)
Passes test
Calcium (Ca)
max. 0.002%
Magnesium (Mg)
max. 0.001%