exchange spectroscopy 

Initialism: EXSY
https://doi.org/10.1351/goldbook.08340
Nuclear magnetic resonance spectroscopy experiment, which is the same as a NOESY, but for the purposes of observing nuclei exchanging chemical environments during the course of the experiment through conformational or chemical exchange.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 687 [Terms] [Paper]
Citation: 'exchange spectroscopy' 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.08340 RIS BibTex EndNote
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