硫酸锌 Zinc Sulphate
一、化学名：硫酸锌
二、分子式：ZnSO4·H2O
三、分子量：179.49
四、CAS：7446-19-7
五、性能：流动性粉末或者粗粉。无臭。一水合物于温度超过238℃时失水。其水溶液对石蕊呈酸性。溶于水和甘油。几乎不溶于乙醇。
六、用途：营养增补剂（锌强化剂）。
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 | GB 25579-2010 |
含量（ZnSO4·7H2O）,w/%≥ | Content（ZnSO4·7H2O） | 99.0～100.5 |
酸度 | Acid | 通过试验 |
碱金属和碱土金属盐,w/%≤ | Alkali Metal and Alkaline-earth metal salts | 0.5 |
镉（Cd）/(mg/kg) ≤ | Cadmium | 2 |
铅（Pb）/(mg/kg) ≤ | Lead | 4 |
汞（Hg）/(mg/kg) ≤ | Mercury | 1 |
硒（Se）/(mg/kg) ≤ | Selenium | 30 |
砷（As）/(mg/kg) ≤ | Arsenic | 3 |
1、Chemical Name:Zinc SULFATE
2、MolecularFormula :ZnSO4·H2O
3、Molecular Weight:179.49
4、CAS:7446-19-7
5、Character:Powder flowability or middlings.odorless.The monohydrate will loss on water in238℃.The aqueous solution is acid with lacmus.It’s soluble in water and glycerol, insoluble in ethanol.
6、Usage:It is used as nutrition supplement(Zinc supplement).
7、Packing:It is packed with plastic bag asinner layer, and a compound plastic woven bag as the outer layer.The net weight of each bag is 25kg.
8、Storage andTransport:It should be stored in a dry and ventilatingwarehouse,kept away form water and moisture during transport, unloadedwith careso as to avoid damage to bags.Furthermore, it should be stored separately from poisonoussubstances.
