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Article

Selective Analysis of Sulfur-Containing Species in a Heavy Crude Oil by Deuterium Labeling Reactions and Ultrahigh Resolution Mass Spectrometry

Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr, Germany
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Academic Editor: Laszlo Prokai
Int. J. Mol. Sci. 2015, 16(12), 30133-30143; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms161226205
Received: 3 November 2015 / Revised: 4 December 2015 / Accepted: 9 December 2015 / Published: 17 December 2015
(This article belongs to the Special Issue Fourier Transform Mass Spectrometry in Molecular Sciences)
A heavy crude oil has been treated with deuterated alkylating reagents (CD3I and C2D5I) and directly analyzed without any prior fractionation and chromatographic separation by high-field Orbitrap Fourier Transform Mass Spectrometry (FTMS) and Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FT-ICR MS) using electrospray ionization (ESI). The reaction of a polycyclic aromatic sulfur heterocycles (PASHs) dibenzothiophene (DBT), in the presence of silver tetrafluoroborate (AgBF4) with ethyl iodide (C2H5I) in anhydrous dichloroethane (DCE) was optimized as a sample reaction to study heavy crude oil mixtures, and the reaction yield was monitored and determined by proton nuclear magnetic resonance spectroscopy (1H-NMR). The obtained conditions were then applied to a mixture of standard aromatic CH-, N-, O- and S-containing compounds and then a heavy crude oil, and only sulfur-containing compounds were selectively alkylated. The deuterium labeled alkylating reagents, iodomethane-d3 (CD3I) and iodoethane-d5 (C2D5I), were employed to the alkylation of heavy crude oil to selectively differentiate the tagged sulfur species from the original crude oil. View Full-Text
Keywords: selective analysis; sulfur; crude oil; deuterium labeling; ultrahigh resolution; mass spectrometry selective analysis; sulfur; crude oil; deuterium labeling; ultrahigh resolution; mass spectrometry
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MDPI and ACS Style

Wang, X.; Schrader, W. Selective Analysis of Sulfur-Containing Species in a Heavy Crude Oil by Deuterium Labeling Reactions and Ultrahigh Resolution Mass Spectrometry. Int. J. Mol. Sci. 2015, 16, 30133-30143. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms161226205

AMA Style

Wang X, Schrader W. Selective Analysis of Sulfur-Containing Species in a Heavy Crude Oil by Deuterium Labeling Reactions and Ultrahigh Resolution Mass Spectrometry. International Journal of Molecular Sciences. 2015; 16(12):30133-30143. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms161226205

Chicago/Turabian Style

Wang, Xuxiao, and Wolfgang Schrader. 2015. "Selective Analysis of Sulfur-Containing Species in a Heavy Crude Oil by Deuterium Labeling Reactions and Ultrahigh Resolution Mass Spectrometry" International Journal of Molecular Sciences 16, no. 12: 30133-30143. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms161226205

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