{"term":{"id":"03788","title":"measurable quantity","longtitle":"IUPAC Gold Book - measurable quantity","doi":"10.1351\/goldbook.M03788","code":"M03788","status":"current","definitions":[{"id":1,"text":"An attribute of a substance which may be distinguished qualitatively and determined quantitatively. In the context of analytical chemistry, the attribute may refer to a physical quantity such as X- or $\\upgamma\\!\\mbox{-}\\rm{ray\\ energy}$, or it may refer to a measure of amount such as mass or concentration.","sources":["PAC, 1995, 67, 1699. 'Nomenclature in evaluation of analytical methods including detection and quantification capabilities (IUPAC Recommendations 1995)' on page 1701 (https:\/\/doi.org\/10.1351\/pac199567101699)","VIM (https:\/\/www.iso.org\/standard\/45321.html)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/M03788\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/M03788\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/M03788\/plain"},"citation":"Citation: 'measurable quantity' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.M03788","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-06-07T01:04:42+00:00"}}