硫酸锌heptahydrate

Zinc sulfate heptahydrate ItemStandardInstructionZnSO4·7H2O≥98%Zn≥22.0%Pb≤0.001%As≤0.0005%Cd≤0.001%Uses:Rayon manufacturing, food supplements, animal feed, mordant, wood preservatives, analysis reagents, Used as an astringent in the medical, Production lithopone. Package: 25kg/bag knitted bag , inside plastic sealed package, according to the requirements of customersStorage : At dry and ventilated places , preventing damps and rains .