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氫氧化鐵與鹽酸的反應

返回打印发布时间：2022/6/1 点击：8807

氫氧化鐵與鹽酸的反應：

氢氧化铁是通过在可溶性铁盐溶液中加入氨水使其沉淀而制造的。将氢氧化铁、或氯化铁、硝酸铁的溶液加入氨水中沉淀而成。该粒子的大小在1nm到100nm之间形成胶体。胶冻状沉淀的水合氧化铁具有很强的吸附性能。

氢氧化铁是未知化合物，是氨水或碱溶液作用于铁盐溶液得到的红棕色或黄棕色沉淀物，x射线结晶学研究表明为无定形，含有变量的水。该沉淀被认为含有羟基氧化铁FeO(oh )，至少有FeO(oh)铁矿)和FeO(oh)铁矿两种结晶变体，产生铁的正常锈的是FeO(oh)

盐酸为无色液体(工业盐酸因有杂质三价铁盐而略显黄色) 。氯化氫水溶液有刺激性气味，一般实验室使用盐酸为0.1mol/L，pH=1。浓盐酸具有挥发性，挥发的氯化氫气体与空气中的水蒸气作用形成盐酸小液滴，因此可见白色雾。

盐酸与水、乙醇任意混合溶解，稀释成浓盐酸后放热，氯化氫可溶解于苯中。

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