Title: passive metal Long Title: IUPAC Gold Book - passive metal DOI: 10.1351/goldbook.P04445 Status: current Definition A metal corroding in the passive state. Related Term - passive state: https://goldbook.iupac.org//terms/view/P04447 Source - PAC, 1989, 61, 19. 'Electrochemical corrosion nomenclature (Recommendations 1988)' on page 21 (https://doi.org/10.1351/pac198961010019) Other Outputs - html: https://goldbook.iupac.org/terms/view/P04445/html - json: https://goldbook.iupac.org/terms/view/P04445/json - xml: https://goldbook.iupac.org/terms/view/P04445/xml Citation: Citation: 'passive metal' 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.P04445 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: 2026-05-01T12:44:46+00:00