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Authors: Burueva, Dudari B.
Eills, James
Blanchard, John W.
Garcon, Antoine
Picazo-Frutos, Román
Kovtunov, Kirill V.
Koptyug, Igor V.
Budker, Dmitry
Title: Chemical reaction monitoring using zero-field nuclear magnetic resonance enables study of heterogeneous samples in metal containers
Online publication date: 3-Aug-2021
Language: english
Abstract: We demonstrate that heterogeneous/biphasic chemical reactions can be monitored with high spectroscopic resolution using zero-field nuclear magnetic resonance spectroscopy. This is possible because magnetic susceptibility broadening is negligible at ultralow magnetic fields. We show the two-step hydrogenation of dimethyl acetylenedicarboxylate with para-enriched hydrogen gas in conventional glass NMR tubes, as well as in a titanium tube. The low frequency zero-field NMR signals ensure that there is no significant signal attenuation arising from shielding by the electrically conductive sample container. This method paves the way for in situ monitoring of reactions in complex heterogeneous multiphase systems and in reactors made of conductive materials while maintaining resolution and chemical specificity.
DDC: 530 Physik
530 Physics
540 Chemie
540 Chemistry and allied sciences
Institution: Johannes Gutenberg-Universität Mainz
Department: FB 08 Physik, Mathematik u. Informatik
Helmholtz Institut Mainz
Place: Mainz
Version: Published version
Publication type: Zeitschriftenaufsatz
License: CC BY-NC
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Journal: Angewandte Chemie
Pages or article number: 17026
Publisher: Wiley-VCH
Publisher place: Weinheim
Issue date: 2020
ISSN: 1521-3773
Publisher URL:
Publisher DOI: 10.1002/anie.202006266
Appears in collections:JGU-Publikationen

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