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ZINC SULFATE

LTW(Jiangsu)LLC

ZINC SULFATE

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℃.

6Usage: 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.

 

質(zhì)量指標(biāo)

Specification

GB25579-2010

FCC V

色澤

Color

無色或白色

Colorless or white

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

砷                ≤%

As

0.0003

——

堿金屬和堿土金屬鹽  ≤%

Alkalies and Alkaline Earths

0.5

0.5

酸度

Acidity

通過試驗(yàn)

正常

硒         ≤%

Se

0.003

0.003

汞              ≤%

Hg

0.0001

0.0005

鉛              ≤%

Pb

0.0004

0.001

鎘              ≤%

Cd

0.0002

0.0005