Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMAMOTO Daisuke and SEIKE Yasushi and OKUMURA Minoru,A Simple On-site Column Analysis and a Solid-phase Extraction/Spectrophotometric Method for the Determination of Fluoride in Water Based on Column Collection,BUNSEKI KAGAKU,05251931,The Japan Society for Analytical Chemistry,2011,60,8,647-652,https://cir.nii.ac.jp/crid/1390282679637813376,https://doi.org/10.2116/bunsekikagaku.60.647