Appearance (Colour)
White
Appearance (Form)
Crystalline powder/Solid
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (NT)
min. 99.5%
Residue after ignition
max. 0.1%
Chloride (CI)
max. 0.005%
Sulphate (SO4)
max. 0.005%
Heavy Metals (Pb)
max. 0.002%
Ammonium (NH4)
max. 0.005%
Substances darkened by Sulphuric acid
Passes test
Hydrolyzable Substances
Passes test