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Zinc sulphate

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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


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