{"term":{"id":"01723","title":"diffusion current constant","longtitle":"IUPAC Gold Book - diffusion current constant","doi":"10.1351\/goldbook.D01723","code":"D01723","status":"current","definitions":[{"id":1,"text":"The empirical quantity defined by \\[i=\\frac{i_{\\rm{d},l}}{c_{\\rm{B}}\\ m^{\\frac{2}{3}}\\ t_{1}^{\\frac{1}{6}}}\\] the equation where \\(i_{\\rm{d},l}\\) = limiting diffusion current, \\(c_{\\rm{B}}\\) = bulk concentration of the substance B whose reduction or oxidation is responsible for the wave in question, \\(m\\) = average rate of (mass) flow of mercury (or other liquid metal) and \\(t_{1}\\) = drop time.","contexts":[],"links":[{"term":"limiting diffusion current","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/L03534"},{"term":"oxidation","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/O04362"},{"term":"reduction","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/R05222"}],"sources":["PAC, 1985, 57, 1491. 'Recommended terms, symbols, and definitions for electroanalytical chemistry (Recommendations 1985)' on page 1500 (https:\/\/doi.org\/10.1351\/pac198557101491)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/D01723\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/D01723\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/D01723\/plain"},"citation":"Citation: 'diffusion current constant' 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.D01723","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":"2026-04-20T09:51:47+00:00"}}