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题名: Photoionization detector for portable rapid GC
作者: Peng, F. M.;  Xie, P. H.;  Shi, Y. G.;  Wang, J. D.;  Liu, W. Q.;  Liu, H. Y.
关键词: gas chromatography ;  photoionization detection ;  environmental monitoring
刊名: CHROMATOGRAPHIA
发表日期: 2007-03-01
DOI: 10.1365/s10337-006-0169-3
卷: 65, 期:5-6, 页:331-336
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: With the development of portable rapid gas chromatography (GC) for environmental monitoring the photoionization detector (PID) has potential application. The frequent calibration required and the relatively large dead volume have limited the use of the PID, however. An improved PID which resolves these problems is proposed in this paper. Compared with a commercial instrument, signal generation, the main aspect of the improved PID, has also been optimized. In the improved PID the sample is directed to flow across the lamp window, rather than toward the lamp, and a new, simple automatic self-cleaning technique, which effectively eliminates contaminants and substantially reduces drift, has also been adopted. Use of new electrodes has effectively reduced the background noise and dead volume of the PID. As a result of this new design the PID should be more compatible with rapid portable GC in environmental monitoring, because of elimination of most of the tedious cleaning and calibration previously necessary.
关键词[WOS]: VACUUM-OUTLET GC ;  PHOTO-IONIZATION DETECTOR ;  VOLATILE ORGANIC-COMPOUNDS ;  ATMOSPHERIC-PRESSURE AIR ;  HIGH-SPEED ;  CARRIER GAS ;  CHROMATOGRAPHY ;  PERFORMANCE ;  MIXTURES ;  VAPOR
语种: 英语
WOS记录号: WOS:000245397900011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140720
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, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Peng, F. M.,Xie, P. H.,Shi, Y. G.,et al. Photoionization detector for portable rapid GC[J]. CHROMATOGRAPHIA,2007,65(5-6):331-336.
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