1. Department of Physical Science
2. Graduate School of Science
3. Osaka Prefecture University
4. Sakai
5. Japan
6. Institute of Inorganic Chemistry and Analytical Chemistry
7. Johannes Gutenberg-University Mainz
8. 55128 Mainz
9. Germany
10. Institute for Geology
11. Mineralogy and Geophysics
12. Ruhr-University Bochum
13. 44780 Bochum
14. Faculty of Environmental Engineering
15. The University of Kitakyushu
16. Kitakyushu 808-0135
17. Research Institute for Chemical Process Technology
18. National Institute of Advanced Industrial Science and Technology (AIST)
19. Sendai