{"term":{"id":"04763","title":"porous-layer open-tabular column","longtitle":"IUPAC Gold Book - porous-layer open-tabular column","doi":"10.1351\/goldbook.P04763","code":"P04763","status":"current","acronym":"<em>acronym<\/em>: PLOT","synonym":"<em>synonym<\/em>: PLOT column","definitions":[{"id":1,"text":"A column in which there is a porous layer on the inner wall. porosity can be achieved by either chemical means (e.g. etching) or by the deposition of porous particles on the wall from a suspension. The porous layer may serve as a support for a liquid stationary phase or as the stationary phase itself.","contexts":[],"links":[{"term":"porosity","url":"https:\/\/goldbook.iupac.org\/terms\/view\/P04762"},{"term":"suspension","url":"https:\/\/goldbook.iupac.org\/terms\/view\/S06198"}],"sources":["PAC, 1993, 65, 819. 'Nomenclature for chromatography (IUPAC Recommendations 1993)' on page 831 (https:\/\/doi.org\/10.1351\/pac199365040819)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/P04763\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/P04763\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/P04763\/plain"},"citation":"Citation: 'porous-layer open-tabular 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.P04763","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":"2026-06-28T12:53:20+00:00"}}