硫酸锌 ZINC SULFATE
一、化学名：硫酸锌
二、分子式：ZnSO4.H2O, ZnSO4.7H2O
三、分子量：179.49(一水），287.58（七水）
四、CAS：7446-19-7（一水）；7446-20-0（七水）
五、性能：无色晶体,小针状或粒状晶形粉未,无臭,在空气中会风化。溶液对石蕊呈酸性比重1.957(25/4℃),熔点100℃在280℃失去7H2O,溶于水及甘油,不溶于酒精,**底。
六、用途：食品补充剂,动物饲料,媒染剂,木材防腐剂,分析试剂。
七、包装：内衬聚乙烯塑料袋，外套塑料编织袋，每袋25Kg。
八、贮存与运输：应贮在干燥，通风清洁的库房中，轻装轻放，防止受潮、受热，运输过程中防止雨淋受潮，应与有毒物品隔离堆放。
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质量指标 |
Specification |
GB25579-2010 |
FCC V |
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|
色泽 |
Color |
无色或白色 |
Colorless or white |
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|
含量 % |
ZnSO4.H2O |
Content |
ZnSO4.H2O |
99.0-100.5 |
98.0-100.5 |
|
ZnSO4.7H2O |
ZnSO4.7H2O |
99.0-108.7 |
99.0-108.7 |
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|
砷 ≤% |
As |
0.0003 |
—— |
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|
碱金属和碱土金属盐 ≤% |
Alkalies and Alkaline Earths |
0.5 |
0.5 |
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|
酸度 |
Acidity |
通过试验 |
正常 |
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|
硒 ≤% |
Se |
0.003 |
0.003 |
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|
汞 ≤% |
Hg |
0.0001 |
0.0005 |
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|
铅 ≤% |
Pb |
0.0004 |
0.001 |
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|
镉 ≤% |
Cd |
0.0002 |
0.0005 |
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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 ** and glycerol, insoluble in ethanol and light toxicity, lose crystal ** 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 ** and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.
