
| Cobalt sulphate heptahydrate extrapure 500GM | |||
| 10503SG500 | 919770229KW | ||
| Extrapure | 9197702 | ||
| 10026-24-1 | 99348 | ||
| CoSO4.7H2O | November 2023 | ||
| 281.1 | October 2028 | ||
| Sr.No. | Test | Result | Specification |
|---|---|---|---|
| 1 | Description | Small red crystalline powder. | Small red crystals or crystalline powder. |
| 2 | Solubility | Complies | Soluble in water. Slightly soluble in alcohol. |
| 3 | Assay(complexometric) | 98.50% | Min. 98.00% |
| 4 | Cobalt content (Co) | 20.65% | 20.30 - 21.40% |
| 5 | Chloride (Cl) | Less than 0.01% | 0.01% max |
| 6 | Iron (Fe) | Not detected | 0.01% max |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |