Title: potentiostat Long Title: IUPAC Gold Book - potentiostat DOI: 10.1351/goldbook.09079 Status: current Definition Measuring instrument for electric current that controls the potential difference between a working electrode and a reference electrode and measures the electric current between a working electrode and an auxiliary electrode. Related Term - auxiliary electrode: https://goldbook.iupac.org//terms/view/09132 Source - PAC, 2020, 92, 641. 'Terminology of Electrochemical Methods of Analysis (IUPAC Recommendations 2019)' on page 654 (https://doi.org/10.1515/pac-2018-0109) Other Outputs - html: https://goldbook.iupac.org/terms/view/09079/html - json: https://goldbook.iupac.org/terms/view/09079/json - xml: https://goldbook.iupac.org/terms/view/09079/xml Citation: Citation: 'potentiostat' 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.09079 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: 2026-05-09T13:43:25+00:00