Appearance | White or almost white solid |
---|---|
Assay | 98.5-101.5% |
Identity (IR) | Conforms to standard |
Melting point | 132-135°C |
Alkalinity | Passes EP/BP test |
Biuret | max. 0.1% |
Ammonium (NH4) | max. 0.05% |
Heavy metals (as Pb) | max. 0.001% |
Sulphated ash | max. 0.1% |
Loss on drying (105°C) | max. 1.0% |
Appearance of solution | Solution S is clear & colorless |