Anion synthetical detergent in water is often be determined by the argochrome spetropotometric method.It needs three times using chloroform.This method takes time and use spendthrift effort.

• 水中阴离子合成洗涤剂常用亚甲蓝分光光度法测定,但分析中用氯仿作萃取剂需萃取3次,既费时,又费力。