Appearance (Colour)
White
Appearance (Form)
Crystalline powder / Solid
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay (NT)
min. 99%
pH (5% aq. solution)
7.5 - 9.2
Loss on drying
max. 1%
Chloride (CI)
max. 0.002%
Sulphate (SO4)
max. 0.003%
Iron (Fe)
max. 0.001%
Heavy Metals (Pb)
max. 0.001%
Phosphate (PO4)
max. 0.001%
Calcium (Ca)
max. 0.005%
Magnesium (Mg)
max. 0.001%
Water Insoluble matter
max. 0.01%