Appearance (Colour)
White
Appearance (Form)
Crystalline powder
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (NT)
min. 99%
pH (5% aq. solution)
7.5 - 9.0
Loss on drying
max. 1%
Chloride (CI)
max. 0.001%
Sulphate (SO4)
max. 0.003%
Iron (Fe)
max. 0.0005%
Heavy Metals (Pb)
max. 0.001%
Phosphate (PO4)
max. 0.0005%
Absorbance (A) of 0.1M aq. solution in a 1cm cell v/s H2O
@250 nm
max. 0.05
@260nm
max. 0.01
@280nm
max. 0.01
@500nm
max. 0.01
