天气预报 > 教育 > 铜中铁怎么去除
铜中铁怎么去除
更新时间: 2021-02-24 21:30:09  

1、用磁体吸引,加入稀盐酸,过滤(铜的质量不变),加入硫酸铜,过滤(铜的质量增加)。

2、可使用盐酸去除铁杂质,2HCl+Fe====H2↑+FeCl2,因为铜不是活泼金属,不会与盐酸反应。

3、如果是简单的混合,用磁铁就能分离,如果是合金,就不好办了,需要冶炼,电解等方法。

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