*Hirochika Sumino¹, Kotaro Toyama¹, Takeshi Ohba², Muga Yaguchi³, Akihiko Terada⁴ (1.Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 2.Department of Chemistry, School of Science, Tokai University, 3.Meteorological Research Institute, Japan Meteorological Agency, 4.Volcanic Fluid Research Center, Tokyo Institute of Technology)

*Masanori Takahashi¹, Akihiko Terada¹, Hirochika Sumino², Kotaro Toyama², Takeshi Ohba³, Leona Suzuki¹ (1.Volcanic Fluid Research Center, Tokyo Institute of Technology, 2.Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3.Department of chemistry, School of Science, Tokai University)

*Hirochika Sumino¹, Kotaro Toyama¹, Takeshi Ohba², Muga Yaguchi³ (1.Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 2.Department of Chemistry, Tokai University, 3.Meteorological Research Institute)

*Kotaro Toyama¹, Hirochika Sumino¹, Muga Yaguchi², Takeshi Ohba³, Takashi Toyofuku⁴, Shigeki Wada⁵ (1.The University of Tokyo, 2.Meteorological Research Institute, 3.Tokai Univ., 4.JAMSTEC, 5.Shimoda Marine Research Center, University of Tsukuba)

*Kotaro Toyama¹, Adina Paytan², Ken Sawada³, Takashi Hasegawa⁴ (1.The University of Tokyo, 2.UCSC, 3.Hokkaido Univ., 4.Kanazawa Univ.)