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) AW Drews,Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration,"Manual on Hydrocarbon Analysis, 6th Edition",,ASTM International,,,,,https://cir.nii.ac.jp/crid/1360013172793291520,https://doi.org/10.1520/mnl10848m