Universität zu Köln

Broehl, Andreas and Giernoth, Ralf ORCID: 0000-0003-2282-6586 (2014). PHIP NMR Spectroscopy in Ionic Liquids: Influence of Salts on the Intensity of Polarization Signals. Anal. Chem., 86 (20). S. 10311 - 10315. WASHINGTON: AMER CHEMICAL SOC. ISSN 1520-6882

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Abstract

Parahydrogen-induced dynamic nuclear polarization NMR spectroscopy (PHIP) in ionic liquids leads to weak or no polarization signals, depending on the type of experiment. We demonstrate that the intensity of polarization is directly correlated to the concentration of the ionic liquids. High ion concentration is connected to fast T1 relaxation, resulting in annihilation of the polarization signals.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Broehl, Andreas UNSPECIFIED UNSPECIFIED UNSPECIFIED Giernoth, Ralf UNSPECIFIED orcid.org/0000-0003-2282-6586 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-425629
DOI:	10.1021/ac502537z
Journal or Publication Title:	Anal. Chem.
Volume:	86
Number:	20
Page Range:	S. 10311 - 10315
Date:	2014
Publisher:	AMER CHEMICAL SOC
Place of Publication:	WASHINGTON
ISSN:	1520-6882
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Organic Chemistry
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language PARA-HYDROGEN; COMPLEXES; ALIGNMENT Multiple languages Chemistry, Analytical Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/42562