Title: spin decoupling
Long Title: IUPAC Gold Book - spin decoupling
DOI: 10.1351/goldbook.08419
Status: current

Definition
Irradiation of a nucleus in nuclear magnetic resonance spectroscopy to prevent spin-spin coupling.

Related Terms
- heteronuclear decoupling: https://goldbook.iupac.org//terms/view/08351
- homonuclear decoupling: https://goldbook.iupac.org//terms/view/08365
- nuclear magnetic resonance spectroscopy: https://goldbook.iupac.org//terms/view/08218

Source
- PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 705 (https://doi.org/10.1515/pac-2019-0203)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/08419/html
- json: https://goldbook.iupac.org/terms/view/08419/json
- xml: https://goldbook.iupac.org/terms/view/08419/xml

Citation: Citation: 'spin decoupling' 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.08419
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: 2026-06-10T22:21:19+00:00