Zinc Sulphate
| Inspection Items | Unit | Heptahydrate | Monohydrate |
| Purity | %≥ | 97 | 98 |
| Zn | %≥ | 22 | 36 |
| Pb | %≥ | 20ppm | 20ppm |
| Fe | %≥ | 200ppm | 80ppm |
| Cd | %≥ | 50ppm | 20ppm |
| Water-insoluble | %≥ | 0.05 | 0.02 |
| Appearance | White Crystal | White Powder |
| Inspection Items | Unit | Heptahydrate | Monohydrate |
| Purity | %≥ | 97 | 98 |
| Zn | %≥ | 22 | 36 |
| Pb | %≥ | 20ppm | 20ppm |
| Fe | %≥ | 200ppm | 80ppm |
| Cd | %≥ | 50ppm | 20ppm |
| Water-insoluble | %≥ | 0.05 | 0.02 |
| Appearance | White Crystal | White Powder |