Term: ion source
https://doi.org/10.1351/goldbook.I03247

Definition:
Generally an assembly composed of: (i) an ionization chamber in which a stream of electrons flows from a hot filament across a stream of gas to collector (the potential between filament and collector is usually between 50 and 70 V); (ii) a device for the acceleration of these ions.

Related Terms:
1) ionization chamber (http://doi.org/10.1351/goldbook.I03190).
2) acceleration (http://doi.org/10.1351/goldbook.A00051).

Source: PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2200 (https://doi.org/10.1351/pac199062112167)

Citation: 'ion source' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.I03247

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