型号 | 食品级 |
有效物质含量 | 99 |
产品规格 | 25公斤 |
食品级硫酸锌厂家T: 产品符合国家标准GB 25579-2010和美国食品级法典标准FCC。适合内销和外销。优秀大厂,品质保证。可根据客户提供的食品级硫酸锌的用途提供样品。
优质生产工艺(合成法),进口原料,流动性好,不结块。目数/粒度可按要求调整。欢饮广大客户前来参观验厂。
食品级硫酸锌 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.