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Identification of unknown compounds on the basis of retention index data in comprehensive two-dimensional gas chromatography
Pang, Tao; Zhu, Shukui; Lu, Xin; Xu, Guowang
关键词Alkanes Comprehensive Two-dimensional Gas Chromatography Isovolatile Curve Retention Index
刊名JOURNAL OF SEPARATION SCIENCE
2007-04-01
DOI10.1002/jssc.200600471
30期:6页:868-874
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
关键词[WOS]FLIGHT MASS-SPECTROMETRY ; TOBACCO ESSENTIAL OILS ; CIGARETTE-SMOKE ; VOLATILE OIL ; POLYDIMETHYLSILOXANE ; HYDROCARBONS ; FRACTION ; SAMPLES ; SYSTEM ; FOOD
英文摘要The identification of unknown compounds in complex samples is very difficult. Comprehensive two-dimensional gas chromatography (GC x GC) provides very good resolution and improved identification reliability. Mass spectrometry is a powerful identification tool and retention index data are another good approach to this end. In this study, a second-order polynomial was used to calculate retention index data based on n-alkanes beyond the region of the 'isovolatile' curve in GC x GC, and the results in the 2nd dimension were validated by using the same stationary phase column in one-dimensional GC. To test the usefulness of the method, volatile compounds in a tobacco leaf extract fraction were analyzed using GC x GC, and 60 compounds were identified on the basis of their retention indices.
语种英语
WOS记录号WOS:000246348000012
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被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140443
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116023, Peoples R China
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GB/T 7714
Pang, Tao,Zhu, Shukui,Lu, Xin,et al. Identification of unknown compounds on the basis of retention index data in comprehensive two-dimensional gas chromatography[J]. JOURNAL OF SEPARATION SCIENCE,2007,30(6):868-874.
APA Pang, Tao,Zhu, Shukui,Lu, Xin,&Xu, Guowang.(2007).Identification of unknown compounds on the basis of retention index data in comprehensive two-dimensional gas chromatography.JOURNAL OF SEPARATION SCIENCE,30(6),868-874.
MLA Pang, Tao,et al."Identification of unknown compounds on the basis of retention index data in comprehensive two-dimensional gas chromatography".JOURNAL OF SEPARATION SCIENCE 30.6(2007):868-874.
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