Product category: Sulfate
1、Chemical Name: ZINC SULFATE
2、Molecular Formula : ZnSO4.H2O, ZnSO4.7H2O
3、Molecular Weight: 179.49(Monohydrate), 287.58(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 food 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
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Specification
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GB25579-2010
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FCC V
|
色泽
|
Color
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无色或白色
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Colorless or white
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含量 %
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ZnSO4.H2O
|
Content
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ZnSO4.H2O
|
99.0-100.5
|
98.0-100.5
|
|
ZnSO4.7H2O
|
|
ZnSO4.7H2O
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99.0-108.7
|
99.0-108.7
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砷 ≤%
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As
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0.0003
|
——
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碱金属和碱土金属盐 ≤%
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Alkalies and Alkaline Earths
|
0.5
|
0.5
|
酸度
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Acidity
|
通过试验
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正常
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硒 ≤%
|
Se
|
0.003
|
0.003
|
汞 ≤%
|
Hg
|
0.0001
|
0.0005
|
铅 ≤%
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Pb
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0.0004
|
0.001
|
镉 ≤%
|
Cd
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0.0002
|
0.0005
|