What happens if there are too many complexing agents in tin electroplating?

Harm to health. According to Sohu's query. Com, it is known that too much complexing agent in tin plating will be harmful to health. Complexing agents, especially organic complexing agents with multifunctional groups, are widely used in printing and dyeing industry, such as softening water quality, preventing sedimentation, eliminating scaling of dyeing and finishing equipment, preventing fabric bleaching and hole breaking, and ensuring dyeing brightness.