Comparison of comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry and gas chromatography-mass spectrometry for the analysis of tobacco essential oils |
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| Authors: | Shukui Zhu Jun Xing Hongwei Kong Caiying Wu |
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| Affiliation: | a Department of Chemistry, College of Chemistry and Molecular Science, Wuhan University, Wuchang, Wuhan 430072, China
b National Chromatographic R&A Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116011, China |
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| Abstract: | A sample of tobacco essential oil was analyzed using gas chromatography-mass spectrometry (GC/MS) and comprehensive two-dimensional gas chromatography coupled to a time-of-flight mass spectrometry (GC × GC/TOFMS), respectively. In the GC/MS analysis, serially coupled columns were used. By comparing the GC/MS results with GC × GC/TOFMS results, many more components in the essential oil could be found within the two-dimensional separation space of GC × GC. The quantitative determination of components in the essential oil was performed by GC × GC with flame ionization detection (FID), using a method of multiple internal standards calibration. |
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| Keywords: | Gas chromatography-mass spectrometry Comprehensive two-dimensional gas chromatography GC × GC Time-of-flight mass spectrometry Coupled columns Essential oil |
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