1. Chair of Analytical Chemistry and Water Chemistry
2. Technical University of Munich
3. 81377 Munich
4. Germany
5. Department of Environmental Geosciences
6. College of Environmental Science and Engineering
7. Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria
8. Tianjin Key Laboratory of Environmental Remediation and Pollution Control
9. Nankai University
10. Tianjin 300350
11. University of Vienna
12. A-1090 Vienna
13. Austria