{"term":{"id":"09893","title":"ion-pair chromatography","longtitle":"IUPAC Gold Book - ion-pair chromatography","doi":"10.1351\/goldbook.09893","code":"09893","status":"current","mentioned":"<em>mentioned<\/em>: ion pair","definitions":[{"id":1,"text":"Liquid chromatography in which the mobile liquid phase contains an ionized additive (an ion-pair reagent) that can form an ion pair with an analyte molecule.","notes":{"1":"Separations occur due to the difference in the ability to form ion pairs and\/or in the distribution coefficients of the ion pairs between the mobile and stationary phases."},"sources":["PAC, 2017, 90, 181. 'Terminology of separation methods (IUPAC Recommendations 2017)' on page 187 (https:\/\/doi.org\/10.1515\/pac-2017-0111)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/09893\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/09893\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/09893\/plain"},"citation":"Citation: 'ion-pair chromatography' 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.09893","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":"2026-07-25T13:51:49+00:00"}}