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化学实验第三题分步沉淀
更新时间: 2020-09-26 00:00:00  

化学实验分步沉淀:

分步沉淀是指在一定条件下,使一种离子先沉淀,而其他离子在另一条件下沉淀的现象,浸铜后渣硫酸盐分离沉淀过程是按银,铜,镍的先后顺序进行析出,因此要实现其分离,简单可行的方法是将这些金属离子转化成钠盐或碳酸盐的沉淀。

关键词: 化学 实验 分步 沉淀

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