Appearance | White crystalline mater |
---|---|
Assay (T, dry) | 98-102%w/w |
Chloride (Cl) | max. 0.0005% |
Heavy metals (as Pb) | max. 0.0005% |
Iron (Fe) | max. 0.0005% |
Nitrate (NO3) | max. 0.001% |
Sulfate (SO4) | max. 0.001% |
pH (5% in water) | 6.7-7.3 |
Residue after ignition | max. 0.01% |
Water insolubles | max. 0.005% |