Appearance (Colour)
White
Appearance (Form)
Crystalline hygroscopic compound
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (ex N)
min. 99.5%
Melting Point
131 - 134°C
pH (5% aq. solution)
5.0 - 6.5
Loss on drying
max. 1%
Sulphated Ash
max. 0.02%
Chloride (CI)
max. 0.001%
Sulphate (SO4)
max. 0.02%
Iron (Fe)
max. 0.0005%
Heavy Metals (Pb)
max. 0.0005%
Copper (Cu)
max. 0.0001%
Nitrate (NO3)
max 0.002%