A series of fatty acid monoethanolamide ether carboxylates(AMEC) were purified by extracting with hot ethanol and recrystallizing with petrol ether.

• 通过无水乙醇热溶抽滤,石油醚重结晶等工序建立了酰胺醚羧酸盐的提纯方法,考察了溶剂用量、结晶温度、结晶时间等对石油醚重结晶效果的影响。