Test | Specification | |
---|---|---|
Description | White crystalline powder | |
Odour | Odourless | |
Assay | 98.0% - 102.0% | |
Solubility | Freely soluble in water, sparingly soluble in ethanol (96%) | |
Identification | To passes test | |
pH (0.1% solution in water) | 9.5 – 10.5 | |
Water | NMT 5.0% | |
Related substances | Impurities A NMT 4.0% Unsspecified impurities NMT 0.5% | |
Chlorides | NMT 350 PPM | |
Sulphates | NMT 120 ppm |
Application