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.

• 并结合生产和应用中的实际问题，对偶合-铜络一步完成中铜盐的作用、甲（特殊字符略）铜络合物的啮合形式及其性能等研究成果进行了介绍。