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Zinc sulfate

Zinc sulfate

Chemical Name: Zinc sulfate (Mono.& Hepta.)
Molecular Formula: ZnSO4 ·H2O,ZnSO4 ·7H2O
Molecular Weight: 179.47,287.56
CAS No. : 7446-19-7;7446-20-0
Standard Executed: GB/T 25865-2010    

Appearance
• Zinc sulfate monohydrate : white powder;
• Zinc sulfate heptahydrate: colorless crystal.

Application
• Used as a feed additive and fertilizer in agriculture
• In industry, it can be used to make zinc salt, printing and dyeing mordant, wood and leather preservative, and is also an important auxiliary raw material for the production of viscose fiber and vinylon fiber.

Packing
• Net weight : 25kg;
• PP woven bag, with inner PE plastic bag.

Specification

    Item

Standard

ZnSO4 ▪H2O

ZnSO4 ▪7H2O

Zinc sulfate ω/%                             ≥

94.7

97.3

Zinc (Zn) ω/%                               ≥    

34.5

22.0

Arsenic (As) ω/%                             ≤ 

0.0005

0.0005

Lead (Pb) ω/%                               ≤

0.001

0.001

Cadmium (Cd) ω/%                           ≤

0.001

0.001

Powder size

250μm test sieve passing rate ω/% ≥

95

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800μm test sieve passing rate ω/% ≥

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95

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