Zinc sulphate heptahydrate extrapure 500GM | |||
12000SG500 | 913370213JW | ||
Extrapure | 9133702 | ||
7446-20-0 | 96343 | ||
ZnSO4.7H2O | October 2023 | ||
287.54 | September 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White crystals. | White crystals. |
2 | Solubility | Complies | Soluble in water. Insoluble in alcohol. |
3 | Assay | 99.80% | Min. 99.00% |
4 | Chloride (Cl) | Less than 0.002% | 0.002% max |
5 | Iron (Fe) | Not detected | 0.005% max |
6 | Heavy metal (as Pb) | Not detected | 0.002% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |