• P-ISSN2233-4203
  • E-ISSN2093-8950
  • ESCI, SCOPUS, KCI

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  • P-ISSN 2233-4203
  • E-ISSN 2093-8950

Gas Chromatography-High Resolution Tandem Mass Spectrometry Using a GC-APPI-LIT Orbitrap for Complex Volatile Compounds Analysis

Mass Spectrometry Letters / Mass Spectrometry Letters, (P)2233-4203; (E)2093-8950
2012, v.3 no.2, pp.29-38
https://doi.org/10.5478/MSL.2012.3.2.29
Lee Young Jin (Iowa State University, Ames Laboratory)
Smith Erica A. (Iowa State University, Ames Laboratory)
Jun Ji Hyun (Iowa State University, Ames Laboratory)
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Abstract

A new approach of volatile compounds analysis is proposed using a linear ion trap Orbitrap mass spectrometer coupledwith gas chromatography through an atmospheric pressure photoionization interface. In the proposed GC-HRMS/MSapproach, direct chemical composition analysis is made for the precursor ions in high resolution MS spectra and the structuralidentifications were made through the database search of high quality MS/MS spectra. Successful analysis of a complex perfumesample was demonstrated and compared with GC-EI-Q and GC-EI-TOF. The current approach is complementary to conventionalGC-EI-MS analysis and can identify low abundance co-eluting compounds. Toluene co-sprayed as a dopant through APIprobe significantly enhanced ionization of certain compounds and reduced oxidation during the ionization.

keywords
Gas chromatography, Atmospheric pressure photoionization (APPI), Linear ion trap (LIT), Orbitrap, Volatile compounds


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Submission Date
2012-06-08
Revised Date
2012-06-17
Accepted Date
2012-06-17
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