Term: adsorption chromatography https://doi.org/10.1351/goldbook.A00157 Definition: chromatography in which separation is based mainly on differences between the adsorption affinities of the sample components for the surface of an active solid. Related Terms: 1) chromatography (http://doi.org/10.1351/goldbook.C01075). 2) active solid (http://doi.org/10.1351/goldbook.A00109). Source: Orange Book, 2nd ed., p. 94 (https://media.iupac.org/publications/analytical_compendium/) Citation: 'adsorption chromatography' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.A00157 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. 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.