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Title: Multielement molecular size fractionation in crude oil and oil residue by size exclusion microchromatography with high resolution inductively coupled plasma mass spectrometric detection (HR ICP MS)
Authors: Pawel Pohl
Justyna Dural
Nopparat Vorapalawut
Isabelle Merdrignac
Charles Philippe Lienemann
Hervé Carrier
Bruno Grassl
Brice Bouyssiere
Ryszard Lobinski
Universite de Pau et des Pays de L'Adour
Wrocław University of Science and Technology
Politechnika Warszawska
Mahidol University
IFP Energies nouvelles
Keywords: Chemistry
Issue Date: 1-Dec-2010
Citation: Journal of Analytical Atomic Spectrometry. Vol.25, No.12 (2010), 1974-1977
Abstract: Microchromatography using permeation through gels with the increasing exclusion limit (5000, 400000 and 20000000 Da) was combined with high resolution (R = 4000) ICP MS to measure the distribution of Co, Cr, Fe, Ni, S, Si, V and Zn as a function of the molecular mass fraction of crude oil and oil vacuum distillation residue. The accuracy of the simultaneous multielement determination was verified by the flow-injection-ICP MS analysis of certified reference materials (wear-metals in lubricating oils: SRM 1084a and SRM 1085b). The method allowed the acquisition of chromatograms with high sensitivity competitive existing methods, showing element- and sample origin-dependent morphology. © 2010 The Royal Society of Chemistry.
ISSN: 13645544
Appears in Collections:Scopus 2006-2010

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