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Column switching-back flushing technique for the analysis of aromatic compounds in gasoline
Wang, HW; Xu, H; Guan, YF
关键词Column Switching Gasoline Instrumentation Hydrocarbons Aromatic
刊名JOURNAL OF CHROMATOGRAPHY A
2002-10-04
972期:2页:253-258
收录类别SCI
文章类型Article
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
关键词[WOS]CHROMATOGRAPHIC PNA ANALYSIS ; HYDROCARBON-TYPE SAMPLES ; GAS-CHROMATOGRAPHY
英文摘要A simple method, based on the technique of capillary column switching-back flushing, has been developed for the detailed analysis of aromatic compounds in gasoline. The sample was first separated on a 30-m long OV-2330 polar precolumn and then backflushed onto a nonpolar analytical column. The early eluting components from the precolumn and the components of interest (aromatic compounds plus heavier compounds) eluting from the analytical column are all directed to the same flame ionization detection system through a T piece, which permits the quantitative analysis of aromatic hydrocarbons in gasoline by a normalization method using correcting factors. The switching time window of the method is +/-5 s, resulting in easier operation and higher reliability. The reproducibility of the quantitative analysis was less than or equal to3% RSD for real gasoline samples. (C) 2002 Elsevier Science B.V. All rights reserved.
语种英语
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WOS记录号WOS:000178367700011
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被引频次:7[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/321008/91443
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, Dept Analyt Chem & Micro Instrumentat, Dalian 116012, Peoples R China
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Wang, HW,Xu, H,Guan, YF. Column switching-back flushing technique for the analysis of aromatic compounds in gasoline[J]. JOURNAL OF CHROMATOGRAPHY A,2002,972(2):253-258.
APA Wang, HW,Xu, H,&Guan, YF.(2002).Column switching-back flushing technique for the analysis of aromatic compounds in gasoline.JOURNAL OF CHROMATOGRAPHY A,972(2),253-258.
MLA Wang, HW,et al."Column switching-back flushing technique for the analysis of aromatic compounds in gasoline".JOURNAL OF CHROMATOGRAPHY A 972.2(2002):253-258.
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