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Product Name | Zinc sulfate monohydrate | Zinc sulfate heptahydrate |
Appearance | White fine powder | White fine crystal |
Molecular formula | ZnSO4.H2O | ZnSO4.7H2O |
Molecular weight | 179.47 | 287.53 |
CAS No. | 7446-19-7 | 7446-20-0 |
EINECS No. | 231-793-3 | 231-793-3 |
Melting point | \\ | 100℃ |
Boiling point | \\ | 280℃ |
Density | 1.80g/mL | 1.72g/mL |
Content (ZnSO4 . H2O) ≥% | 98.0-100.5 | 99.0-108.7 |
Acidity ≤% | Pass The Test | Pass The Test |
Alkalies & Alkaline Earths ≤% | 0.5 | 0.5 |
Cd ≤% | 0.0002 | 0.0002 |
Lead ≤% | 0.0004 | 0.0004 |
Hg ≤% | 0.0005 | 0.0005 |
Se ≤% | 0.003 | 0.003 |





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