About OKANO Gen
About Ibaraki Univ., Ibaraki, JPN
About OKANO Gen
About Nippon Steel & Sumikin Technol. Co., Ltd., Wakayama, JPN
About IGARASHI Shukuro
About Ibaraki Univ., Ibaraki, JPN
About YAMAMOTO Yuhei
About Ibaraki Univ., Ibaraki, JPN
About SAITO Shotaro
About Ibaraki Univ., Ibaraki, JPN
About TAKAGAI Yoshitaka
About Fukushima Univ., Fukushima, JPN
About OHTOMO Takao
About Fukushima Univ., Fukushima, JPN
About KIMURA Shigenobu
About Ibaraki Univ., Ibaraki, JPN
About OHNO Osamu
About Ibaraki Univ., Ibaraki, JPN
About OKA Yoshio
About Nippon Steel & Sumikin Technol. Co., Ltd., Wakayama, JPN
About International Journal of Environmental Analytical Chemistry
About pollution instrumentation
About heavy metal pollution
About Water Pollution
About separation
About preconcentration
About high performance liquid chromatography
About spectrophotometry (analysis)
About Solid Phase Extraction
About metal
About complex formation
About metal ion
About Nickel
About Copper
About Cobalt
About selenium
About Chromium
About water quality test
About trace metal
About Environmental Pollution
About Environmental pollution in general
About Water pollution in general
About Heavy metals and their compounds in general
About Diethyldithiocarbamate
About カスケード
About 濃縮
About 重金属
About HPLC
About 分光光度法