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Zinc Sulfate
PRODUCT NAME:
Zinc Sulfate
Molecular formula:

ZnSO4.H2O, ZnSO4.7H2O

Molecular weight:
179.48(Monohydrate), 287.54(Heptahydrate)
CAS NO.:
7446-19-7(H2O); 7446-20-0 (7H2O)
Performance:
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 etha
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.
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 separate
use:
It is used as food additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent.
other information:
Specification GB25579-2010 FCC,1996
Content w/% ZnSO4.H2O 99.0-100.5 98.0-100.5
ZnSO4.7H2O 99.0-108.7 99.0-108.7
As,mg/kg ≤ 0.0003 -
Alkali metal w/% ≤ 0.50 0.5
PH passed qualified
Se,mg/kg ≤ 0.003 0.003
Hg,mg/kg ≤ 0.0001 0.0005
Pb,mg/kg ≤ 0.0004 0.001
Cd,mg/kg ≤ 0.0002 0.0005
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