CASR |
: | 144-55-8 |
Molecular Formula |
: | NaHCO3 |
Molecular Weight |
: | 84.01 |
| Specifications | |
|---|---|
| Appearance: | White or almost white crystalline powder |
| Solubility: | Soluble in water, practically insoluble in ethanol (96 per cent). |
| Identification A (By Chemical test): | A pale pink colour should produce. On heating gas should evolve and the solution become red. |
| Identification B (By Chemical test): | white precipitate should form which dissolves on addition of an excess of hydrochloric acid R1 |
| Identification C (By Chemical test): | A dense white precipitate should form. |
| Appearance of Solution: | Clear and colorless solution |
| Carbonate: | The pH of freshly prepared solution should not be greater than 8.6 |
| Chlorides: | 150ppm max |
| Sulphate (SO4): | 150ppm max |
| Ammonium (NH4): | 20ppm max |
| Arsenic (As): | 2ppm max |
| Calcium (Ca): | 100ppm max |
| Iron (Fe): | 20ppm max |
| Assay: | 99.0% - 101.0% |
