Appearance (Colour)
White
Appearance (Form)
Hygroscopic Crystalline compound
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (HCl titration)
min. 99%
pH (5% aq. solution)
6.5 - 7.5
Sulphated Ash
max. 0.01%
Chloride (CI)
max. 0.0005%
Sulphate (SO4)
max. 0.001%
Iron (Fe)
max. 0.0001%
Copper (Cu)
max. 0.0001%
Heavy Metals (Pb)
max. 0.0002%
Substances reducing Permanganate (O)
max. 0.005%
Absorbance (A) of 1M aq. solution in a 1cm cell v/s H2O
@260nm
max. 0.01
@280nm
max. 0.007
Water
max. 2%
