Title: repetition time
Long Title: IUPAC Gold Book - repetition time
DOI: 10.1351/goldbook.08406
Status: current

Definition
Time duration between repetitions of a nuclear magnetic resonance pulse sequence including the pulse sequence, acquisition time and relaxation delay.

Related Terms
- acquisition time: https://goldbook.iupac.org//terms/view/08312
- nuclear magnetic resonance pulse sequence: https://goldbook.iupac.org//terms/view/08396
- relaxation: https://goldbook.iupac.org//terms/view/08422

Source
- PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 703 (https://doi.org/10.1515/pac-2019-0203)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/08406/html
- json: https://goldbook.iupac.org/terms/view/08406/json
- xml: https://goldbook.iupac.org/terms/view/08406/xml

Citation: Citation: 'repetition time' 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.08406
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: 2026-08-05T15:50:25+00:00