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题名: Analysis of alkylbenzene samples by comprehensive capillary liquid chromatography x capillary gas chromatography
作者: Xu, Yuan1;  Wang, Hua1;  Zhao, Jinghong1;  Guan, Yafeng1
关键词: on-line-coupled micro-LC-GC ;  comprehensive LC x GC ;  group-type separation ;  heavy alkylbenzene
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2008-02-15
DOI: 10.1016/j.chroma.2007.12.040
卷: 1181, 期:1-2, 页:95-102
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
英文摘要: The constituents in synthetic alkylbenzene samples were analyzed by a comprehensive capillary liquid chromatography ( mu-LC) x capillary gas chromatography (CGC). The mu-LC separates the mixture into aliphatic compounds, monosubstituted alkylbenzenes, multi substituted alkylbenzenes and binuclear aromatic compounds. Each fraction from a single mu-LC injection is stored in turn in a multiloop interface, and then transferred online into CGC sequentially with large volume in-column splitless injection technique for detailed analysis. No sample discrimination was found with this coupling and injection technique. Both the mu-LC column dimension and transfer speed of fraction from interface to CGC were optimized. Quantitative results and the carbon number distribution of each chemical class are obtained by using the comprehensive mu-LC x CGC with flame ionization detection. The reproducibility of peak area is better than 2% RSD. (c) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: MASS-SPECTROMETRY ;  SUPERCRITICAL-FLUID ;  MICRO HPLC ;  LC ;  GC ;  IDENTIFICATION ;  EXTRACTION ;  COLUMN ;  OIL ;  MS
语种: 英语
WOS记录号: WOS:000253506600011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141015
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 116023, Peoples R China

Recommended Citation:
Xu, Yuan,Wang, Hua,Zhao, Jinghong,et al. Analysis of alkylbenzene samples by comprehensive capillary liquid chromatography x capillary gas chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2008,1181(1-2):95-102.
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