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硫酸锌
食品级硫酸锌

饲料级、食品级、试剂级硫酸锌

产品描述详情/ Product description

化 学 名:
硫酸锌
英文名称:
Zinc Sulfate
分 子 式:
ZnSO4.H2O, ZnSO4.7H2O
分 子 量:
179.49(一水),287.58(七水)
CAS NO:
7446-19-7(一水);7446-20-0(七水)
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。
包  装:
内衬聚乙烯塑料袋,外套塑料编织袋,每袋25Kg。
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。
用途:
食品补充剂,动物饲料,媒染剂,木材防腐剂,分析试剂。
其他信息:
质量指标 GB25579-2010 FCC,1996
含量 w/% ZnSO4.H2O 99.0-100.5 98.0-100.5
ZnSO4.7H2O 99.0-108.7 99.0-108.7
砷(As), mg/kg  ≤ 0.0003 -
碱金属和碱土金属盐 w/%  ≤ 0.50 0.5
酸度 通过试验 正常
硒(Se), mg/kg  ≤ 0.003 0.003
汞(Hg), mg/kg  ≤ 0.0001 0.0005
铅(Pb), mg/kg  ≤ 0.0004 0.001
镉(Cd), mg/kg  ≤ 0.0002 0.0005

1、Chemical Name:  Zinc Sulfate

2、Molecular Formula : ZnSO4·H2O,  ZnSO4·7H2O

3、Molecular Weight: Monohydrate: 179.48; Heptahydrate: 287.54

4、CAS: Monohydrate:7446-19-7; Heptahydrate:7446-20-0

5、Character: It is colorless transparent prism or spicule or granular crystalline powder, odorless. Relative density is 1.957. Melting point is 100℃. It’s easily soluble in water and aqueous solution is acidic to litmus. It’s slightly soluble in ethanol and glycerin. The monohydrate loses water at temperatures above 238℃; heptahydrate effloresces in dry air at room temperature.

6、Usage: It is used as nutritional supplement(zinc fortifier) and processing aid. It’s used in milk product, infant food, liquid and milk drinks, grain and its’ products, table salt, soft drinks, maternal formula and coco powder and other flavor nutritional solid drinks.

7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as 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 from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.

 

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