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题名: Micro-flame ionization detector with a novel structure for portable gas chromatograph
作者: Wang, Jianwei1;  Wang, Hua1;  Duan, Chunfeng1;  Guan, Yafeng1
通讯作者: 关亚风
关键词: Micro-flame ionization detector ;  Coaxial gas flow ;  Ionization efficiency ;  Portable gas chromatograph
刊名: TALANTA
发表日期: 2010-08-15
DOI: 10.1016/j.talanta.2010.06.010
卷: 82, 期:3, 页:1022-1026
收录类别: SCI
文章类型: Article
部门归属: 1
项目归属: 105
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A micro-flame ionization detector (mu-FID) for portable gas chromatograph (GC) based on conventional mechanical fabrication techniques was developed and evaluated. Structure was redesigned and dimensions were optimized for best performance. Air is introduced from upper part of the detector, flowing downwards into the burning chamber along a narrow round gap between the collection electrode and the inner wall of the detector body, forming a uniform flow field around the burning jet. The lowest detection limit of the mu-FID was 5 x 10(13) g/s for n-decane, with a linear response range of five orders of magnitude. The consumption of gases is only 10 ml/min for hydrogen, and 120 ml/min for air, that is about 1/3 of the gases required for conventional FIDs. A comparative study between the mu-FID and commercial FID was also performed that proved the advantages of the mu-FID. The mu-FID is simple in structure, low heating power, and low consumption of gases that not only decrease the cost of running, but also increase the portability of GC for filed applications. (C) 2010 Elsevier B.V. All rights reserved.
关键词[WOS]: ATMOSPHERIC-PRESSURE AIR ;  VACUUM-OUTLET GC ;  HIGH-SPEED ;  CARRIER GAS ;  COLUMN ;  SENSOR
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000281177100024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/103409
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, Key Lab Separat Sci Analyt Chem, Dept Instrumentat & Analyt Chem, Dalian 116023, Peoples R China

Recommended Citation:
Wang, Jianwei,Wang, Hua,Duan, Chunfeng,et al. Micro-flame ionization detector with a novel structure for portable gas chromatograph[J]. TALANTA,2010,82(3):1022-1026.
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