1. College of Chemistry; Sichuan University; Chengdu Sichuan 610064, P.R. China
2. Mineral Resources Chemistry Key Laboratory of Sichuan Higher Education Institutions; College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology; Chengdu Sichuan 610059, P.R. China
3. Analytical & Testing Center; Sichuan University; Chengdu Sichuan 610064, P.R. China
4. Chemical Metrology; National Research Council Canada; Ottawa Ontario, Canada K1A 0R6