Title: adsorption isotherm Long Title: IUPAC Gold Book - adsorption isotherm DOI: 10.1351/goldbook.AT06934 Status: current Definition Isotherm describing adsorption of the sample component on the surface of the stationary phase from the mobile phase. Related Terms - mobile phase: https://goldbook.iupac.org//terms/view/M03952 - stationary phase: https://goldbook.iupac.org//terms/view/S05949 Source - PAC, 1996, 68, 1591. 'Nomenclature for non-linear chromatography (IUPAC Recommendations 1996)' on page 1592 (https://doi.org/10.1351/pac199668081591) Other Outputs - html: https://goldbook.iupac.org/terms/view/AT06934/html - json: https://goldbook.iupac.org/terms/view/AT06934/json - xml: https://goldbook.iupac.org/terms/view/AT06934/xml Citation: Citation: 'adsorption isotherm' 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.AT06934 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: 2026-04-08T02:05:09+00:00