9:00 AM - 9:15 AM
[20a-C204-1] Reduction of tarnished silver by Ar/H2 plasma and in-situ optical emission spectroscopy
〇(M1)Masaaki Tsukamoto1, Kei Hosomi1, Katsumi Takahiro1, Fumitaka Nishiyama2, Shin Yokoyama2 (1.Kyoto Inst. Technol., 2.Hiroshima Univ.)