著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Georg Haberhauer and Karl Blochberger,A Simple Cleanup Method for the Isolation of Nitrate from Natural Water Samples for O Isotope Analysis,Analytical Chemistry,0003-2700,American Chemical Society (ACS),1999-06-26,71,16,3587-3590,https://cir.nii.ac.jp/crid/1360011144426700928,https://doi.org/10.1021/ac9814243