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Mass Spectrometric Characterization of Organosulfur Compounds Using Palladium(II) as a Sensitivity-Enhancing Reagent

Electrospray ionization/ mass spectrometry (ESI/MS) experiments were performed on several polyaromatic sulfur heterocycles (PASH) in the presence of Pd(II) in order to promote charge transfer and radical cation formation. Critical experimental parameters, i.e., Pd(II)/organosulfur mole ratio, the ef...

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Published in:Energy & fuels 2004-01, Vol.18 (1), p.16-21
Main Authors: Rudzinski, Walter E, Zhou, Kai, Luo, Xuemei
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Language:English
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description Electrospray ionization/ mass spectrometry (ESI/MS) experiments were performed on several polyaromatic sulfur heterocycles (PASH) in the presence of Pd(II) in order to promote charge transfer and radical cation formation. Critical experimental parameters, i.e., Pd(II)/organosulfur mole ratio, the effect of polyaromatic hydrocarbon interferences and sample solution flow rate, and MS2 collision energy, were optimized. PASH compounds in a spiked hydrogenated oil were then identified to determine matrix effects. Selected peaks from a PASH-enriched aromatic fraction obtained from the heavy distillate of an Arabian crude were then analyzed in order to demonstrate the applicability of the method.
doi_str_mv 10.1021/ef030115z
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source American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects Air pollution caused by fuel industries
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Metering. Control
title Mass Spectrometric Characterization of Organosulfur Compounds Using Palladium(II) as a Sensitivity-Enhancing Reagent
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