Zinc Sulfate
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Zinc sulfate
Food grade zinc sulfate
CAS:7733-02-0
Công thức phân tử: ZnSO4·7H2O (heptahydrate), ZnSO4·H2O (monohydrate)
Molecular weight: 287.58 (heptahydrate), 179.49 (monohydrate)
What it is Zinc Sulfate ?
Thuộc tính: Colorless, transparent prismatic or small needle-like crystals, or granular crystalline powder, không mùi, relative density 1.957, melting point 100 degrees Celsius, readily soluble in water, aqueous solution turns red litmus paper acidic. Slightly soluble in ethanol and glycerol.
Our Specification
| Specification Name | GB29206–2012 |
|---|---|
| Bề ngoài | White or colorless crystals or small granules |
| Calcium Sulfate, % | 99–100.5 |
| Asen (Như), Ppm | ≤3 |
| Selenium (Se), Ppm | ≤30 |
| Ignition Residue, % | ≤0.25 |
| Chỉ huy (Pb), Ppm | ≤3 |