Appearance | White to off white solid |
---|---|
Assay (T) | 98.0-102.0%w/w |
pH (5% in water) | 8.5-9.6 |
Loss on drying (105°C) | max. 1% |
Chloride (Cl) | max. 0.003% |
Heavy metals (as Pb) | max. 0.0005% |
Iron (Fe) | max. 0.001% |
Sodium (Na) | max. 0.05% |
Sulfate (SO4) | max. 0.005% |
Water insolubles | max. 0.01% |