一、化学名：硫酸锌Zinc sulfate
二、分子式：ZnSO4.H2O, ZnSO4.7H2O
三、分子量：179.49(一水)，287.58(七水)
四、CAS：7446-19-7(一水);7446-20-0(七水)
五、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。
六、用途：食品补充剂,动物饲料,媒染剂,木材防腐剂,分析试剂。
七、包装：内衬聚乙烯塑料袋，外套塑料编织袋，每袋25Kg。
八、贮存与运输：应贮在干燥，通风清洁的库房中，轻装轻放，防止受潮、受热，运输过程中防止雨淋受潮，应与有毒物品隔离堆放。
质量指标 | Specification | GB25579-2010 | FCC,1996 |
含量 w/% | ZnSO4.H2O | Content | ZnSO4.H2O | 99.0-100.5 | 98.0-100.5 |
ZnSO4.7H2O | ZnSO4.7H2O | 99.0-108.7 | 99.0-108.7 |
砷(As), mg/kg ≤ | As | 0.0003 | —— |
碱金属和碱土金属盐 w/% ≤ | Alkali metal | 0.50 | 0.5 |
酸度 | PH | 通过试验 | 正常 |
硒(Se), mg/kg ≤ | Se | 0.003 | 0.003 |
汞(Hg), mg/kg ≤ | Hg | 0.0001 | 0.0005 |
铅(Pb), mg/kg ≤ | Pb | 0.0004 | 0.001 |
镉(Cd), mg/kg ≤ | Cd | 0.0002 | 0.0005 |
英文描述：
1. Chemical Name: Zinc sulfate
2.Molecular Formula: ZnSO4.H2O, ZnSO4.7H2O
3.Molecular Weight: 179.48(Monohydrate), 287.54(Heptahydrate)
4.CAS: 7446-19-7(H2O);7446-20-0 (7H2O)
5.Character: 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 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.
