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| Quantity: | |
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1、Chemical Name: Zinc sulfate
2、Molecular Formula : ZnSO4.H2O, ZnSO4.7H2O
3、Molecular Weight: 179.48(Monohydrate), 287.54(Heptahydrate)
4、CAS: 7446-19-7（H2O）；7446-20-0 (7H2O)
5、Character: It is colorless or white crystalline powder, odorlessness. Efflorescence in air. Acid hydrometer is 1.957(25/4℃) to litmus. Melting point is 100℃. It’s soluble in water and glycerol, insoluble in ethanol and light toxicity, lose crystal water in 280℃.
6、Usage: It is used as fertilizer additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent.
7、Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse; kept away form water and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.
质量指标 | Specification | HG 3277-2000 |
锌(Zn) ≥ | Zinc | 35.3 |
游离酸(H2SO4) ≤ | Free acid | 0.1 |
铅(Pb) ≤ | Lead | 0.002 |
镉(Cd) ≤ | Cadmium | 0.002 |
砷(As) ≤ | Arsenic | 0.002 |
1、Chemical Name: Zinc sulfate
2、Molecular Formula : ZnSO4.H2O, ZnSO4.7H2O
3、Molecular Weight: 179.48(Monohydrate), 287.54(Heptahydrate)
4、CAS: 7446-19-7（H2O）；7446-20-0 (7H2O)
5、Character: It is colorless or white crystalline powder, odorlessness. Efflorescence in air. Acid hydrometer is 1.957(25/4℃) to litmus. Melting point is 100℃. It’s soluble in water and glycerol, insoluble in ethanol and light toxicity, lose crystal water in 280℃.
6、Usage: It is used as fertilizer additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent.
7、Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse; kept away form water and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.
质量指标 | Specification | HG 3277-2000 |
锌(Zn) ≥ | Zinc | 35.3 |
游离酸(H2SO4) ≤ | Free acid | 0.1 |
铅(Pb) ≤ | Lead | 0.002 |
镉(Cd) ≤ | Cadmium | 0.002 |
砷(As) ≤ | Arsenic | 0.002 |
