Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAKAMURA Eiko and WATANABE Masayuki and NAMIKI Hiroshi,Preconcentration for the determination of trace metals in highly purified water.,BUNSEKI KAGAKU,05251931,The Japan Society for Analytical Chemistry,1997,46,8,669-675,https://cir.nii.ac.jp/crid/1390282679029035520,https://doi.org/10.2116/bunsekikagaku.46.669