03008 IUPAC Gold Book - indifferent absorbing ion 10.1351/goldbook.I03008 I03008 current 1 An ion which absorbs through coulomb forces only and which is hence only repelled by surfaces of like sign, attracted by surfaces of opposite sign, and is not absorbed on an uncharged surface. coulomb https://goldbook.iupac.org//terms/view/C01365 specifically absorbing ion https://goldbook.iupac.org//terms/view/S05792 PAC, 1991, 63, 895. 'Nomenclature, symbols, definitions and measurements for electrified interfaces in aqueous dispersions of solids (Recommendations 1991)' on page 899 (https://doi.org/10.1351/pac199163060895) https://goldbook.iupac.org/terms/view/I03008/html https://goldbook.iupac.org/terms/view/I03008/json https://goldbook.iupac.org/terms/view/I03008/plain Citation: 'indifferent absorbing ion' 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.I03008 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. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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. 2026-07-26T21:30:39+00:00