Title: ion gate
Long Title: IUPAC Gold Book - ion gate
DOI: 10.1351/goldbook.12440
Status: current

Definition
Set of plates or grid of wires in an ion mobility spectrometer, time-of-flight mass spectrometer, or other mass spectrometer that is used to apply a pulsed electric field with the purpose of selectively deflecting charged particles.

Related Terms
- ion mobility spectrometer: https://goldbook.iupac.org//terms/view/12442
- mass gate: https://goldbook.iupac.org//terms/view/12480

Source
- PAC, 2013, 85, 1515. 'Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)' on page 1552 (https://doi.org/10.1351/PAC-REC-06-04-06)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/12440/html
- json: https://goldbook.iupac.org/terms/view/12440/json
- xml: https://goldbook.iupac.org/terms/view/12440/xml

Citation: Citation: 'ion gate' 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.12440
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.
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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: 2026-07-14T12:04:43+00:00