Title: primary electrons
Long Title: IUPAC Gold Book - primary electrons
DOI: 10.1351/goldbook.P04829
Status: current

Definition
Electrons generated by a thermal or field emission source used to bombard the specimen for generation of the analytical signals.

Source
- PAC, 1983, 55, 2023. 'Nomenclature, symbols and units recommended for in situ microanalysis (Provisional)' on page 2026 (https://doi.org/10.1351/pac198355122023)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/P04829/html
- json: https://goldbook.iupac.org/terms/view/P04829/json
- xml: https://goldbook.iupac.org/terms/view/P04829/xml

Citation: Citation: 'primary electrons' 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.P04829
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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: 2026-06-13T10:17:37+00:00