1. Research Laboratory of Hydrothermal Chemistry; Faculty of Science; Kochi University; 2-17-47 Asakurahonmachi Kochi 780-8073 Japan
2. Department of Chemical Science and Engineering; School of Materials and Chemical Technology; Tokyo Institute of Technology; 2-12-1, Ookayama, Meguro Tokyo 152-8550 Japan
3. Usa Marine Biological Institute; Kochi University; Inoshiri, Usa, Tosa Kochi 781-1164 Japan