Title: standard chemical potential Long Title: IUPAC Gold Book - standard chemical potential DOI: 10.1351/goldbook.S05908 Status: current Definition Of substance B at temperature \(T\), \(\mu _{\rm{B}}^{\rm{o}}(T)\), is the value of the chemical potential under specified standard conditions (in the standard state). Related Terms - chemical potential: https://goldbook.iupac.org//terms/view/C01032 - standard state: https://goldbook.iupac.org//terms/view/S05925 Source - Green Book, 2nd ed., p. 53 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf) Related Reference - PAC, 1994, 66, 533. 'Standard quantities in chemical thermodynamics. Fugacities, activities and equilibrium constants for pure and mixed phases (IUPAC Recommendations 1994)' on page 536 (https://doi.org/10.1351/pac199466030533) Other Outputs - html: https://goldbook.iupac.org/terms/view/S05908/html - json: https://goldbook.iupac.org/terms/view/S05908/json - xml: https://goldbook.iupac.org/terms/view/S05908/xml Citation: Citation: 'standard chemical potential' 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.S05908 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: 2026-06-12T11:50:56+00:00