Zinc Sulfate
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Zinc sulfate
Food grade zinc sulfate
中国科学院:7733-02-0
分子式: ZnSO4·7H2O (heptahydrate), ZnSO4·H2O (monohydrate)
分子量: 287.58 (heptahydrate), 179.49 (monohydrate)
What it is Zinc Sulfate ?
性能: Colorless, transparent prismatic or small needle-like crystals, or granular crystalline powder, 无味, relative density 1.957, 熔点 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 |
|---|---|
| 出现 | White or colorless crystals or small granules |
| Calcium Sulfate, % | 99–100.5 |
| 砷 (作为), ppm（每分钟） | ≤3 |
| Selenium (Se), ppm（每分钟） | ≤30 |
| Ignition Residue, % | ≤0.25 |
| 带领 (铅), ppm（每分钟） | ≤3 |