Title: electron energy Long Title: IUPAC Gold Book - electron energy DOI: 10.1351/goldbook.E01991 Status: current Definition The potential difference through which electrons are accelerated before they are used to bring about electron ionization. Related Term - ionization: https://goldbook.iupac.org//terms/view/I03183 Source - PAC, 1991, 63, 1541. 'Recommendations for nomenclature and symbolism for mass spectroscopy (including an appendix of terms used in vacuum technology). (Recommendations 1991)' on page 1547 (https://doi.org/10.1351/pac199163101541) Other Outputs - html: https://goldbook.iupac.org/terms/view/E01991/html - json: https://goldbook.iupac.org/terms/view/E01991/json - xml: https://goldbook.iupac.org/terms/view/E01991/xml Citation: Citation: 'electron energy' 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.E01991 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: 2026-04-20T16:55:23+00:00