complexant

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫酸铜、硫酸、合剂、稳定剂等组成溶液中,以置换镀覆不同质量分数铜- 合镀层,其工艺替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。

Metal complexants such as ferrous complexant and cobaltic complexant are common used in this process.

液相合法常用合剂有铁合剂和钴合剂等。