complexant

1.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.

铁件在由硫铜、硫、络合剂、稳定剂等组成的溶液中,可置换镀覆不同质量分数的铜- 合金镀层,工艺可替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。