1. State Key Laboratory of Materials-Oriented Chemical Engineering; College of Chemical Engineering; Nanjing Tech University; Nanjing 210009, Jiangsu, P. R. China
2. Chinasalt Jintan Salt Chemical Co., Ltd.; Chinese National Salt Industry Group (CNSIC), Jintan; Changzhou 213200, Jiangsu, P. R. China
3. School of Public Health and The Key Laboratory of Modern Toxicology, Ministry of Education; Nanjing Medical University; Nanjing 211166 ChinaTel: (86)-25-83587860.