Title: Mössbauer thickness Long Title: IUPAC Gold Book - Mössbauer thickness DOI: 10.1351/goldbook.M04034 Status: current Definition The effective thickness of a source (\(t_{s}\)) or absorber (\(t_{a}\)) in the optical path. Related Term - absorber: https://goldbook.iupac.org//terms/view/A00034 Source - PAC, 1976, 45, 211. 'Nomenclature and Conventions for Reporting Mössbauer Spectroscopic Data' on page 214 (https://doi.org/10.1351/pac197645030211) Other Outputs - html: https://goldbook.iupac.org/terms/view/M04034/html - json: https://goldbook.iupac.org/terms/view/M04034/json - xml: https://goldbook.iupac.org/terms/view/M04034/xml Citation: Citation: 'Mössbauer thickness' 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.M04034 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: 2026-05-18T00:41:25+00:00