11540 IUPAC Gold Book - all-solid-state ion-selective electrode 10.1351/goldbook.11540 11540 current synonym: metal contact ion-selective electrode 1 Ion-selective electrode in which the ion-selective membrane contacts the electronic conductor without internal electrolyte solution. Charge transfer is accomplished in the membrane by both ionic and electronic conductivities (mixed conductors). The inner reference electrode is replaced by an electronic conductor, e.g., a bromide sensor film of \(\ce{AgBr}\) is reversibly contacted with \(\ce{Ag}\), or an anion sensor based on cation radical salts is contacted with \(\ce{Pt}\). ion-selective membrane https://goldbook.iupac.org//terms/view/09119 PAC, 2020, 92, 641. 'Terminology of Electrochemical Methods of Analysis (IUPAC Recommendations 2019)' on page 661 (https://doi.org/10.1515/pac-2018-0109) https://goldbook.iupac.org/terms/view/11540/html https://goldbook.iupac.org/terms/view/11540/json https://goldbook.iupac.org/terms/view/11540/plain Citation: 'all-solid-state ion-selective electrode' 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.11540 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. 2026-08-05T10:58:47+00:00