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题名: Resolution prediction and optimization of temperature programme in comprehensive two-dimensional gas chromatography
作者: Lu, X;  Kong, HW;  Li, HF;  Ma, CF;  Tian, J;  Xu, GW
通讯作者: 许国旺
关键词: comprehensive two-dimensional gas chromatography ;  resolution prediction ;  optimization ;  temperature program
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2005-09-09
DOI: 10.1016/j.chroma.2005.05.105
卷: 1086, 期:1-2, 页:175-184
收录类别: ISTP ;  SCI
文章类型: Article
部门归属: 18
项目归属: 1808
产权排名: 1;1
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: A model is developed for predicting the resolution of interested component pair and calculating the optimum temperature programming condition in the comprehensive two-dimensional gas chromatography (GC x GC). Based on at least three isothermal runs, retention times and the peak widths at half-height on both dimensions are predicted for any kind of linear temperature-programmed run on the first dimension and isothermal runs on the second dimension. The calculation of the optimum temperature programming condition is based on the prediction of the resolution of "difficult-to-separate components" in a given mixture. The resolution of all the neighboring peaks on the first dimension is obtained by the predicted retention time and peak width on the first dimension, the resolution on the second dimension is calculated only for the adjacent components with un-enough resolution on the first dimension and eluted within a same modulation period on the second dimension. The optimum temperature programming condition is acquired when the resolutions of all components of interest by GC x GC separation meet the analytical requirement and the analysis time is the shortest. The validity of the model has been proven by using it to predict and optimize GC x GC temperature programming condition of an alkylpyridine mixture. (c) 2005 Elsevier B.V. All rights reserved.
关键词[WOS]: FLIGHT MASS-SPECTROMETRY ;  ISOTHERMAL DATA ;  RETENTION INDEXES ;  CIGARETTE-SMOKE ;  PEAK WIDTH ;  TIME
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000231185500022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92883
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&D Ctr, Dalian 116023, Peoples R China

Recommended Citation:
Lu, X,Kong, HW,Li, HF,et al. Resolution prediction and optimization of temperature programme in comprehensive two-dimensional gas chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2005,1086(1-2):175-184.
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