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. 0.003%
pH (5% aq. solution)
5.0 - 8.0
Sulphate (SO4)
max. 0.001%
Iron (Fe)
max. 0.0002%
Heavy Metals (Pb)
max. 0.0002%
Phosphate (PO4)
max. 0.0005%
Copper (Cu)
max. 0.0002%
Bromide (Br)
max. 0.005%
Iodide (I)
max. 0.001%
Nitrogen Compounds (N)
max. 0.0005%
Ferrocyanide [ Fe(CN6)]-4
max. 0.0001%
Potassium (K)
max. 0.005%
Absorbance (A) of 1M aq. solution in a 1cm cell v/s H2O
@260nm
max. 0.01
@280nm
max. 0.01
Suitability for HPLC
Passes
