Molecular formula: ZnSO4.xH2O (x=1/7)
Molecular weight: 179.49 (zinc sulfate monohydrate)
287.58 (zinc sulfate heptahydrate)
Zinc content: 36% (one water) 22.6% (seven water)
Mesh number: 98% passes 100 mesh (seven water) 92% passes 100 mesh (one water)
White or colorless, zinc sulfate heptahydrate is in the form of crystals or granules and zinc sulfate monohydrate is in the form of fluid powder or coarse powder,odorless.
High zinc content and good solubility. Customized products such as low lead, low arsenic, ultrafine and granulation can be customized according to customer needs.
Widely used in cereals, dairy products, infant food, soy flour, soy milk powder, bread, biscuits, and so on.
| Item | Index | Item | Index |
| Content% | 99.0-108.7（seven water）99.0-100.5（one water） | Acidity | Passed test |
| Alkali and alkaline earth metals% | ≤0.50 | Lead（Basis Pb）mg/kg | ≤4 |
| Cadmium（Cd）mg/kg | ≤2 | Arsenic（Basis As）mg/kg | ≤3 |
| Hg（Hg）mg/kg | ≤1 | Selenium（Se）mg/kg | ≤30 |
