|
Appearance
|
White crystalline powder
|
|
Assay (Titration after Ion exchange)
|
99.0-101.0%
|
|
Insoluble matter (6.67% in water)
|
Max 0.01%
|
|
pH (5% solution in water)
|
5.5 - 8.5
|
|
Chloride (Cl)
|
Max 0.001%
|
|
Total nitrogen (N)
|
Max 0.0005%
|
|
Heavy metal (as Pb)
|
Max 0.0005%
|
|
Iron (Fe)
|
Max 0.0005%
|
|
Calcium (Ca)
|
Max 0.01%
|
|
Magnesium (Mg)
|
Max 0.002%
|
|
Sodium (Na)
|
Max 0.02%
|