{"term":{"id":"09129","title":"chronoamperometry","longtitle":"IUPAC Gold Book - chronoamperometry","doi":"10.1351\/goldbook.09129","code":"09129","status":"current","definitions":[{"id":1,"text":"Amperometry in which the current is measured as a function of time after a change in the applied potential.","notes":{"1":"If the potential step is from a potential at which no current flows (i.e., at which the oxidation or reduction of the electrochemically active species does not take place) to one at which the current is limited by diffusion (see diffusion-limited current), the current obeys the Cottrell equation."},"links":[{"term":"Amperometry","url":"https:\/\/goldbook.iupac.org\/terms\/view\/09128"},{"term":"Cottrell equation","url":"https:\/\/goldbook.iupac.org\/terms\/view\/09069"}],"sources":["PAC, 2020, 92, 641. 'Terminology of Electrochemical Methods of Analysis (IUPAC Recommendations 2019)' on page 669 (https:\/\/doi.org\/10.1515\/pac-2018-0109)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/09129\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/09129\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/09129\/plain"},"citation":"Citation: 'chronoamperometry' 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.09129","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":"2026-06-29T11:58:22+00:00"}}