Zinc sulphate heptahydrate extrapure 500GM | |||
12000SG500 | 880930219DV | ||
Extrapure | 8809302 | ||
7446-20-0 | 81853 | ||
ZnSO4.7H2O | April 2022 | ||
287.54 | March 2027 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White crystals. | White crystals. |
2 | Solubility | Passes | Soluble in water. Insoluble in alcohol. |
3 | Assay | 99.52% | Min. 99.00% |
4 | Chloride (Cl) | Less than 0.002% | 0.002% max |
5 | Iron (Fe) | Less than 0.005% | 0.005% max |
6 | Heavy metal (as Pb) | Less than 0.002% | 0.002% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |