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题名: Column switching-backflushing technique for the analysis of aromatics in gasoline by normalization method
作者: Wang, HW;  Miao, H;  Guan, YF;  Zhuang, ZH
关键词: capillary column switching ;  two-dimensional chromatography ;  gasoline analysis ;  analysis of aromatics ;  factor corrected normalization method
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2002-08-01
卷: 30, 期:8, 页:1012-1016
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: A novel method based on the technique of capillary column switching-backflushing was developed for the analysis of aromatics in gasoline. The sample was first separated on an OV-2330 polar pre-column where aromatics were retained after n-C-10 and were back flushed onto a non-polar analytical column. The early eluting components from pre-column and the components of interest (aromatics plus heavier compounds) eluting from analytical column were all directed to the same detector through a 'T' piece, which permits quantitative analysis of aromatic hydrocarbons in gasoline by factor corrected normalization method. The precision of the analyses were within 3 % RSD. The switching time window was +/- 5 seconds and has miner influence on the result of analysis(RSD less than or equal to 4 %).
关键词[WOS]: CHROMATOGRAPHIC PNA ANALYSIS ;  HYDROCARBON-TYPE SAMPLES ;  GAS-CHROMATOGRAPHY ;  CRUDE-OIL
语种: 英语
WOS记录号: WOS:000177806100029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139202
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, Dalian 116012, Peoples R China
2.Fujian Refinery & Chem Co, Res Inst, Xiaocuo 362100, Peoples R China

Recommended Citation:
Wang, HW,Miao, H,Guan, YF,et al. Column switching-backflushing technique for the analysis of aromatics in gasoline by normalization method[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2002,30(8):1012-1016.
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