4:30 PM - 4:45 PM
*Saefudin Juhri1, Naritomi Tadahiro1, Kotaro Yonezu1, Eiki Watanabe2, Shogo Sato2, Naho Inoue2, Takushi Yokoyama2,3 (1.Dept. Earth Resources Engineering, Kyushu University, Fukuoka, Japan, 2.Kyudensangyo Co., Inc., Fukuoka, Japan, 3.Dept. Chemistry, Kyushu University, Fukuoka, Japan)