一、化學名:硫酸鋅
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:無色晶體,小針狀或粒狀晶形粉未,無臭,在空氣中會風化。溶液對石蕊呈酸性比重1.957(25/4℃),熔點100℃在280℃失去7H2O,溶于水及甘油,不溶于酒精,毒性底。
六、用途:食品補充劑,動物飼料,媒染劑,木材防腐劑,分析試劑。
七、包裝:內襯聚乙烯塑料袋,外套塑料編織袋,每袋25Kg。
八、貯存與運輸:應貯在干燥,通風清潔的庫房中,輕裝輕放,防止受潮、受熱,運輸過程中防止雨淋受潮,應與有毒物品隔離堆放。
質量指標 Specification GB25579-2010 FCC V
色澤 Color 無色或白色 Colorless or white
含量 % 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 0.0003 ——
堿金屬和堿土金屬鹽 ≤% Alkalies and Alkaline Earths 0.5 0.5
酸度 Acidity 通過試驗 正常
硒 ≤% Se 0.003 0.003
汞 ≤% Hg 0.0001 0.0005
鉛 ≤% Pb 0.0004 0.001
鎘 ≤% Cd 0.0002 0.0005
1、Chemical Name: Zinc sulfate
2、Molecular Formula : ZnSO4.H2O, ZnSO4.7H2O
3、Molecular Weight: 179.49(Monohydrate), 287.58(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.