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硫 酸 锌 |
| 性状 |
无色晶体,小针状或粒状晶形粉未,无臭,涩的,金属味道,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 |
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| 规格 |
指 标 | 成 份 | 标 准 | | Zn
ZNSO4.H2O | 22.06%min
97.0%min | | Water insoluble mass fraction | 0.05max | | PH (50G/L) | 3.0 min | | Chloride (Cl) | 0.6% max | | Fe | 0.02%max | | Pb | 0.01%max | | Mn | 0.01%max | | Cd | 0.01%max | |
| 使用方法 |
用 途
人造丝制造,食品补充,动物饲料,媒染剂,木材防腐剂,分析试药。带七分子结晶水的硫酸锌（ZnSO4•7H2O）是无色的晶体，俗称皓矾。硫酸锌在医疗上用作收敛剂，它可使有机体组织收缩，减少腺体的分泌。硫酸锌还可作为木材的防腐剂，用硫酸锌溶液浸泡过的枕木，可延长使用时间。在印染工业上用硫酸锌作媒染剂，能使染料固着于纤维上。硫酸锌还可用于制造白色颜料（锌钡白等） |
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