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题名: Characterization of cigarette smoke condensates by comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC x GC/TOFMS) - Part 2: Basic fraction
作者: Lu, X;  Zhao, MY;  Kong, HW;  Cai, JL;  Wu, JF;  Wu, M;  Hua, RX;  Liu, JF;  Xu, GW
关键词: comprehensive two-dimensional gas chromatography ;  time-of-flight mass spectrometry ;  cigarette smoke ;  basic fraction
刊名: JOURNAL OF SEPARATION SCIENCE
发表日期: 2004
DOI: 10.1002/jssc.200301659
卷: 27, 期:1-2, 页:101-109
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: Cigarette smoke condensate is a complex chemical matrix. Analysis of nitrogen-containing compounds present therein is very difficult because of the limitation of the peak capacity of conventional one-dimensional chromatography. Extensive and laborious sample preparation is frequently required or selective detectors are frequently used. In this study, the basic fraction of mainstream cigarette smoke condensate has been investigated by using comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC x GC/TOFMS). Auto data processing by TOFMS software combined with manual identification was used to assign the components. 377 nitrogen-containing compounds, including 155 pyridine derivatives, 104 quinoline/isoquinoine derivatives, and 56 pyrazine derivatives were tentatively identified. By selecting appropriate unique masses and in the light of the component positions in the structured chromatogram, alkyl-substituted pyridines, pyrazines, and quinolines/isoquinolines were separately shown and further validated. The peaks of eight individual positional isomers of two-carbon-substituted pyridines and thirteen positional isomers of methyl-substituted quinolines/isoquinolines were further confirmed, based on linear incremental retention behavior in combination with TOFMS and the structured chromatogram of GC x GC.
关键词[WOS]: NITROGEN-CONTAINING COMPOUNDS ;  TOBACCO-SMOKE ;  AROMATIC-AMINES ;  HETEROCYCLIC AMINES ;  LIQUID-CHROMATOGRAPHY ;  MARIHUANA SMOKE ;  MAINSTREAM ;  SAMPLES ;  IDENTIFICATION ;  MS
语种: 英语
WOS记录号: WOS:000188551400015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139597
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116011, Peoples R China
2.CNTC, Zhengzhou Tobacco Res Inst, Dept Chem, Zhengzhou 450000, Peoples R China
3.Changsha Tobacco Factory, Changsha 410000, Peoples R China

Recommended Citation:
Lu, X,Zhao, MY,Kong, HW,et al. Characterization of cigarette smoke condensates by comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC x GC/TOFMS) - Part 2: Basic fraction[J]. JOURNAL OF SEPARATION SCIENCE,2004,27(1-2):101-109.
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