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  NMR spectroscopy for chemical analysis at low magnetic fields.

Glöggler, S., Blümich, B., & Appelt, S. (2013). NMR spectroscopy for chemical analysis at low magnetic fields. In H. Heise, & S. Matthews (Eds.), Modern NMR Methodology. Berlin/Heidelberg: Springer Verlag. doi:10.1007/128_2011_304.

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 Creators:
Glöggler, S.1, Author              
Blümich, B., Author
Appelt, S., Author
Affiliations:
1Research Group of NMR Signal Enhancement, MPI for Biophysical Chemistry, Max Planck Society, ou_2396691              

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Free keywords: Hyper-polarization; Low-field NMR; NMR spectroscopy; Strong coupling
 Abstract: This chapter addresses the limits of low-field NMR spectroscopy for chemical analysis and will answer the question of whether high-resolution NMR spectroscopy for chemical analysis of solutions can be achieved with magnetic fields much lower than 0.1 T without losing the chemical information which at high field is derived from the chemical shift and the indirect spin-spin or J-coupling. The focus is on two major issues. First, the thermal spin population differences given by the Boltzmann distribution are small at low field and so is the signal-to-noise-ratio when starting measurements from thermal equilibrium. Second, the possibility of identifying chemical groups is explored at low magnetic fields where the chemical shift can usually no longer be resolved.

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Language(s): eng - English
 Dates: 2011-12-142013
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/128_2011_304
 Degree: -

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Title: Modern NMR Methodology
Source Genre: Book
 Creator(s):
Heise, H., Editor
Matthews, S., Editor
Affiliations:
-
Publ. Info: Berlin/Heidelberg : Springer Verlag
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISBN: 978-3-642-37990-1

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Title: Topics in Current Chemistry
Source Genre: Series
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Publ. Info: -
Pages: - Volume / Issue: 335 Sequence Number: - Start / End Page: 1 - 22 Identifier: -