Appearance (Colour)
White
Appearance (Form)
Hygroscopic crystalline compound
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay
min. 99%
pH (5% aq. solution)
3.0 - 6.0
Chloride (CI)
max. 0.001%
Sulphate (SO4)
max. 0.005%
Iron (Fe)
max. 0.0005%
Cadmium (Cd)
max. 0.0005%
Calcium (Ca)
max. 0.001%
Copper (Cu)
max. 0.0005%
Lead (Pb)
max. 0.001%
Magnesium (Mg)
max. 0.001%
Nickel (Ni)
max. 0.0005%
Potassium (K)
max. 0.001%
Sodium (Na)
max. 0.001%