According to the problems in dyes production,the role of cupric ion in coupling-cupric complexation was discussed,and the chelated forms of formazane reactive dyes were introduced.

并合生产和应用中的实际问题,对偶合-铜络一步成中铜盐的作用、甲铜络合物的啮合形式及其研究成果进行了介绍。