硫酸锌、性能：无色晶体,小针状或粒状晶形粉末,无臭,在空气中会风化。溶液对石蕊呈酸性比重1.957(25/4℃),熔点100℃在280℃失去7H2O,溶于水及甘油,不溶于酒精,毒性底。
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质量指标SpecificationGB25579-2010FCC,1996含量w/% ZnSO4.H2OContentZnSO4.H2O99.0-100.598.0-100.5ZnSO4.7H2OZnSO4.7H2O99.0-108.799.0-108.7砷(As),mg/kg ≤As0.0003——碱金属和碱土金属盐w/%≤Alkali metal0.500.5酸度PH通过试验正常硒(Se),mg/kg ≤Se0.0030.003汞(Hg),mg/kg ≤Hg0.00010.0005铅(Pb),mg/kg ≤Pb0.00040.001镉(Cd),mg/kg ≤Cd0.00020.0005
1、ChemicalName: Zinc sulfate
2、Molecular Formula :ZnSO4.H2O, ZnSO4.7H2O
3、MolecularWeight:179.48(Monohydrate), 287.54(Heptahydrate)
4、CAS:7446-19-7（H2O）；7446-20-0 (7H2O)
5、Character:It iscolorless 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 ethanol and light toxicity, lose crystal water in 280℃.
6、Usage:It is used as food additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent.
7、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.
8、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 separately from poisonous substances.
锌是许多酶系统
(
如碳酸酐酶、乙醇脱氢酶和碱性磷酸酶等
)
的组成部分，锌
缺乏可导致酶功能异常。
口服硫酸锌可纠正锌缺乏，
恢复酶系统的功能。
锌离子
能沉淀蛋白质，外用有收敛防腐作用，且能帮助肉芽组织形成。
无色或白色结晶、颗粒或粉末，别名皓矾。无气味。味涩。在干燥空气中风化，280℃失去全部结晶水，500℃以上分解。1g溶于0.6ml水、2.5ml甘油，不溶于乙醇。水溶液对石蕊呈酸性，pH约4.5。含1分子结晶水的较不易结块。相对密度1.97。熔点100℃。最小致死量（大鼠，经口）2200mg/kg。有刺激性。用于制造立德粉，并用作媒染剂、收敛剂、木材防腐剂等。
