Dyeing experiments of cotton fabric are performed with mahogany leaves with different mordants and different mordant concentrations by prechrome,metachrome,and after chrome processes.

• 用生态染料红木叶对棉进行染色,采用不同的媒染剂,分别为明矾、氯化亚锡、氯化钙、硫酸铜和硫酸亚铁,不同的媒染剂浓度;