ISO 9001:2015
| Product Name: | Zinc sulfate heptahydrate | Catalogue Number: | GR-62640 |
| Batch Size: | 2000KG | Lot Number: | 20230206 |
| CAS Number: | 7446-20-0 | Production Date: | |
| Molecular Formula: | H14O11SZn | Report Date: | 2023-02-06 |
| Molecular Weight: | 287.6 | Expiry Date: | |
| Storage: | Room temperature, Protected from light and Sealed |
| Test Items | Specifieation | Results |
| Appearance | White solid | Conforms |
| Assay | ≥97.0% | 97.2% |
| Zn | ≥22.0% | 22.1% |
| Pb | ≤10 ppm | 0.32 ppm |
| Fe | ≤100 ppm | 8.51 ppm |
| Cd | ≤10 ppm | 0.98 ppm |
| As | ≤5 ppm | 0.64 ppm |
| Chlorides | ≤2.0% | 1.20% |
| Water insolubles | ≤0.05% | 0.02% |
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Prepared by: |
Reviewed by: |
Aproved by General manager: |
| Date: | Date: | Date: |
