09219 IUPAC Gold Book - analysis area 10.1351/goldbook.09219 09219 current 1 Two-dimensional region of a sample surface at the analytical point, but set in the plane at right angles to the spectrometer axis, from which the entire analytical signal or a specified fraction of that signal is detected. PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1797 (https://doi.org/10.1515/pac-2019-0404) https://goldbook.iupac.org/terms/view/09219/html https://goldbook.iupac.org/terms/view/09219/json https://goldbook.iupac.org/terms/view/09219/plain Citation: 'analysis area' 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.09219 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. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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. 2026-04-18T14:57:17+00:00