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 |
--- |
800μm test sieve passing rate ω/% ≥ |
--- |
95 |