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硫酸鋅 ZINC SULFATE
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末,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,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 | —— | ||
堿金屬和堿土金屬鹽 w/% ≤ | Alkali metal | 0.50 | 0.5 | ||
酸度 | PH | 通過試驗 | 正常 | ||
硒(Se), mg/kg ≤ | Se | 0.003 | 0.003 | ||
汞(Hg), mg/kg ≤ | Hg | 0.0001 | 0.0005 | ||
鉛(Pb), mg/kg ≤ | Pb | 0.0004 | 0.001 | ||
鎘(Cd), mg/kg ≤ | Cd | 0.0002 | 0.0005 | ||
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 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 glycerol, insoluble in ethanol light toxicity, lose crystal water in 280℃.
6、Usage: It is used as food additives, animal feed, printing dyeing, timber preservative.Used as analytical reagent.
7、Packing: It is packed with polythene bag as the inner layer, a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8、Storage Transport: It should be stored in a dry ventilative warehouse; kept away form water moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separately poisonous substances.
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