Formic, acetic, propyl, butyl, lactic, crylic, malonic, succinic, malic, tartaric, maleic, salicylic and p-nitryl benzyl acid were extracted with n-octanol as diluent.

• 以正辛醇为稀释剂对甲酸、乙酸、丙酸、丁酸、乳酸、丙烯酸、丙二酸、丁二酸、苹果酸、酒石酸、马来酸、水杨酸和间硝基苯甲酸等羧酸进行萃取。