Fourier transform ion cyclotron resonance mass spectrometry in the speciation of high molecular weight sulfur heterocycles in vacuum gas oils of different boiling ranges 傅立叶变换离子回旋共振质谱法研究不同沸程真空油中高分子量硫杂环的形态.pdfVIP

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Fourier transform ion cyclotron resonance mass spectrometry in the speciation of high molecular weight sulfur heterocycles in vacuum gas oils of different boiling ranges 傅立叶变换离子回旋共振质谱法研究不同沸程真空油中高分子量硫杂环的形态.pdf

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Anal Bioanal Chem (2008) 392:839–848 DOI 10.1007/s00216-008-2314-3 ORIGINAL PAPER Fourier transform ion cyclotron resonance mass spectrometry in the speciation of high molecular weight sulfur heterocycles in vacuum gas oils of different boiling ranges Saroj K. Panda Wolfgang Schrader Jan T. Andersson Received: 29 April 2008 /Revised: 16 July 2008 /Accepted: 21 July 2008 /Published online: 10 August 2008 # The Author(s) 2008 Abstract The analysis of sulfur aromatics in vacuum gas with an increase in boiling range. A comparison of FT-ICR oils (VGO) distilled from an Iranian light crude oil is MS and comprehensive gas chromatography is also given. discussed. The VGOs were fractionated into three boiling ranges, 390–460, 460–520, and 520–550 °C, and were Keywords Fourier transform ion cyclotron resonance mass analyzed using liquid chromatographic separation on a Pd spectrometry . Crude oil analysis . Liquid chromatography . (II)-bonded stationary phase followed by identification with Electrospray . Sulfur electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS). It was possible to detect a large number of thiophenes, including a Introduction substantial number of isomers, in the three VGO fractions. Separation on the palladium phase and inclusion of sulfur- High oil prices and diminishing supplies warrant a smarter selective derivatization makes electrospray ionization of use of the remaining oil resources, including more exten- these nonpolar compounds possible. An elemental composi- sive use of fractions that have not been valued as highly in tion can be assigned to a large number of S1 compounds the past. Such cuts need more treatment in the refineries, without ambiguity in the pr