元素电位序
Elemental potential sequence
以上为机器翻译结果，长、整句建议使用 人工翻译 。
净化过程主要是加入锌粉到溶液，这样所有电位序在锌之后的元素都被置换出来并且凝固沉淀下来。
Purification is mainly done by adding zinc dust to the solution. As all the elements to be removed lie below zinc in the electrochemical series they can be precipitated by cementation.
youdao
应用推荐
模块上移
模块下移
不移动