Research purposes: 10-12-year-old research purposes, it is a critical period of physical growth and

中文解释

砷盐除钴过程是锌直接浸出冶炼工艺的关键环节，通过添加锌粉和砷盐，除去硫酸锌溶液中的杂质钴，为电解过程提供合格新液。