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1. Uses: transparent activator in rubber, feed additives; sulfur absorber in petroleum industries; cosmetics; pharmaceuticals; zinc Salts.
2. Properties: Soluble in acids, alkaline and ammonium salt solutions; insoluble in water. Sp.gr.4.42-45; Nontoxic.
3.Specification
|
Item |
Criteria |
|
Molecular Formula |
ZnCO3·2Zn(OH)2.H20 |
|
Molecular weight |
342.19 |
|
Zn, dry ≥ |
57.0 |
|
Loss in ignition |
25.0-30.0 |
|
Heavy metal(Calculate in Pb)≤ |
0.05 |
|
Sulfate(SO4)≤ |
0.8 |
|
Moisture content (H2O)≤ |
3.5 |
|
Size(Pass 75 micron screen) ≥ |
94 |
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