Cotton was dyed with mahogany leaves extract and different mordants,such as Alum,Stannous Chloride,Calcium Chloride,Copper Sulphate and Ferrous Sulphate,on different mordant concentrations.

• 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;