{"term":{"id":"02009","title":"electron spectroscopy for chemical analysis","longtitle":"IUPAC Gold Book - electron spectroscopy for chemical analysis","doi":"10.1351\/goldbook.E02009","code":"E02009","status":"current","initialism":"<em>initialism<\/em>: ESCA","definitions":[{"id":1,"text":"Type of spectroscopy involving the measurement of the kinetic energy of electrons emitted by chemical substances usually as a result of excitation by monochromatic X-rays.","links":[{"term":"kinetic energy","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/K03402"},{"term":"spectroscopy","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/S05848"}],"sources":["PAC, 1976, 45, 221. 'Nomenclature and Spectral Presentation in Electron Spectroscopy Resulting from Excitation by Photons' on page 223 (https:\/\/doi.org\/10.1351\/pac197645030221)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/E02009\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/E02009\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/E02009\/plain"},"citation":"Citation: 'electron spectroscopy for chemical analysis' 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.E02009","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":"2026-04-20T16:54:52+00:00"}}