Department of Chemistry Xixi Campus Zhejiang University Hangzhou 310028 China;
The Zhejiang University National Science Park Hangzhou 310013 China;
Biology and Environment Engineering College of Zhejiang Shuren University Hangzhou 310015 China;
Ionic liquid (IL); Dispersive liquid-liquid microexwaction (DLLME); High performance liquid chromatography (HPLC); Aromatic amines;