The resulting carboxylic-azo dyes were subjected to LC-Mass, IH-NMR.All of dicarboxylic-azo dyed were dyed on polyester, wool polyester/wool blends fabrics, and fastness properties evaluated.

• 经纯化后之染料再以质谱、氢-核磁共振光谱、红外线光谱与元素析等测定其构，并评估各种染色坚牢度。