Affiliation: | (1) Research Laboratory of Hydrothermal Chemistry, Faculty of Science, Kochi University, Kochi 780, Japan;(2) Thiele Kaolin Company, 31082-1056 Sandersville, GA, USA;(3) Intercollege Materials Research Laboratory and Department of Agronomy, The Pennsylvania State University, 16802 University Park, PA, USA;(4) Present address: Faculty of Engineering, Yamaguchi University, 755 Ube, Japan |