Comprehensive compositional analysis of hydrotreated and untreated nitrogen-concentrated fractions from syncrude oil by electron ionization, field desorption ionization, and electrospray ionization ultrahigh-resolution FT-ICR mass spectrometry
Comprehensive compositional analysis of hydrotreated and untreated nitrogen-concentrated fractions from syncrude oil by electron ionization, field desorption ionization, and electrospray ionization ultrahigh-resolution FT-ICR mass spectrometry
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DOI：
10.1021/ef060012r
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发表时间：
2006-04
期刊：
影响因子：
5.3
通讯作者：
Jinmei Fu;G. C. Klein;Donald F. Smith;Sunghwan Kim;R. Rodgers;C. Hendrickson;A. Marshall
中科院分区：
文献类型：
--
作者：
Jinmei Fu;G. C. Klein;Donald F. Smith;Sunghwan Kim;R. Rodgers;C. Hendrickson;A. Marshall
Untreated and hydrotreated nitrogen-concentrated distillation fractions (483−504 °C) from Syncrude oil have been analyzed by electron ionization, field desorption ionization, and electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry. The routinely attainable mass resolving power ≥300 000 at m/z 300 and sub-ppm mass accuracy allowed for resolution and elemental compositional assignment of various compound classes. Multiple closely spaced mass doublets (with mass differences <10 mDa) were detected. Although hydrotreatment reduced the relative abundances of several heteroatomic classes (N2, S3, NS2, NOS, O3, OS2, and O2S) below detectability, N-, S-, O-, O2-, OS-, and NO-containing compounds survived hydrotreatment. Analysis of N-, S-, and O-containing compounds and hydrocarbon compounds at the molecular level exposes compositional changes and reveals the effectiveness of the hydrotreating process.
