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zinc sulphate heptahydrate

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Description

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Basic description
Formula: ZnSO4旽2O
CAS No.: 7446-20-0
HS Code: 283329300
EIENCS: 231-793-3
Quality: ISO9001:2000
Physical Description

Mol Weight: 287.56
Appearance: white crystalline powder or granular
Odour: Odorless
Melting Point: It loses water at 30 degree C to give the hexahydrate and more water is lost at 70 degree C to form the monohydrate. The anhydrous salt forms at 280 degree C
Density: 1.957

Specification
Item Unit Specification
Purity %min 98
Zn %min 35
Pb ppm Max 10
As ppmMax 5
Cd ppmMax 10
Finess Mesh 80Max
Use
ZnSO4 is mainly used as raw material for the production of lithopone and zinc salts. It is also used in synthetic fiber industry, zinc plating, Pesticides, flotation, fungicide and water, purification. In agriculture, it is mainly used as feed additive and trace element fertilizer,, etc.

Storage
Dry and hermetic.

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