Title: wall-coated open-tubular column Long Title: IUPAC Gold Book - wall-coated open-tubular column DOI: 10.1351/goldbook.W06654 Status: current Definition A column in which the liquid stationary phase is coated on the essentially unmodified smooth inner wall of the tube. Source - PAC, 1993, 65, 819. 'Nomenclature for chromatography (IUPAC Recommendations 1993)' on page 831 (https://doi.org/10.1351/pac199365040819) Other Outputs - html: https://goldbook.iupac.org/terms/view/W06654/html - json: https://goldbook.iupac.org/terms/view/W06654/json - xml: https://goldbook.iupac.org/terms/view/W06654/xml Citation: Citation: 'wall-coated open-tubular column' 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.W06654 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: 2026-07-26T16:41:26+00:00