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学科主题: 物理化学
题名: Study on micro-gas chromatograph
作者: Guan YF(关亚风) ;  Li WW(李伟伟) ;  Wang JW(王建伟)
会议名称: The13th Beijing conference and exhibition on instrumental analysis
会议日期: 2009-11-25
出版日期: 2009-11-25
会议地点: 中国
通讯作者: GUAN Yafeng
部门归属: 一室
主办者: 中国分析测试学会
摘要: Miniaturization of gas chromatographic instrument has several approaches. This study reports a miniaturized surface ionization detector and a thin metal cylindrical shell column oven for micro gas chromatograph. The LOD of the SID was 110-14 g for triethylamine with linear range of response over 6 orders of magnitude. The purge gas was purified air and the carrier gas was nitrogen. The separation column used was a 30 m  0.25 mm i.d. OV-1 column with split injection. Relative responses of different classes of compounds were measured and compared. The column was wound around a thin aluminum cylindrical shell of 100 mm i.d.  30 mm in single layer, with one end connected to a injector and another end to the detector. A heating film with matched size was stick to the inside surface of the cylindrical shell and was act as heater. The column was heated uniformly and was kept either isothermal or in temperature programming. The deviation of temperature along the capillary column was less than 0.5 C. A micro gas chromatograph was then constructed for selective detection of trace amine compounds in air.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/113656
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Guan YF,Li WW,Wang JW. Study on micro-gas chromatograph[C]. 见:The13th Beijing conference and exhibition on instrumental analysis. 中国. 2009-11-25.
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