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Appearance
|
White crystalline powder
|
|
Assay (Titration after Ion exchange)
|
Min 99%
|
|
pH (5% solution in water)
|
4.5 - 8.5
|
|
Chloride (Cl)
|
Max 0.01%
|
|
Sulphate (SO4)
|
Max 0.01%
|
|
Ammonium (NH4)
|
Max 0.004%
|
|
Arsenic (As)
|
Max 0.0003%
|
|
Lead (Pb)
|
Max 0.005%
|
|
Iron (Fe)
|
Max 0.001%
|