Title: descending elution/development Long Title: IUPAC Gold Book - descending elution/development DOI: 10.1351/goldbook.D01616 Status: current Definition A mode of operation in which the mobile phase is supplied to the upper edge of the paper or plate and the downward movement is governed mainly by gravity. Related Term - mode: https://goldbook.iupac.org//terms/view/M03958 Source - PAC, 1993, 65, 819. 'Nomenclature for chromatography (IUPAC Recommendations 1993)' on page 829 (https://doi.org/10.1351/pac199365040819) Other Outputs - html: https://goldbook.iupac.org/terms/view/D01616/html - json: https://goldbook.iupac.org/terms/view/D01616/json - xml: https://goldbook.iupac.org/terms/view/D01616/xml Citation: Citation: 'descending elution/development' 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.D01616 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: 2026-05-17T21:43:10+00:00