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题名: Physically incorporated extraction phase of solid-phase microextraction by sol-gel technology
作者: Liu, WM;  Hu, YA;  Zhao, JH;  Xu, YA;  Guan, YF
关键词: sol-gel ;  SPME ;  organophosphorus pesticides
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2006-01-13
DOI: 10.1016/j.chroma.2005.10.026
卷: 1102, 期:1-2, 页:37-43
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: A sol-gel method for the preparation of solid-phase microextraction (SPME) fiber was described and evaluated. The extraction phase of poly(dimethysiloxane) (PDMS) containing 3% vinyl group was physically incorporated into the sol-get network without chemical bonding. The extraction phase itself is then partly crosslinked at 320 degrees C, forming an independent polymer network and can withstand desorption temperature of 290 degrees C. The headspace extraction of BTX by the fiber SPME was evaluated and the detection limit of o-xylene was down to 0.26 ng/l. Extraction and determination of organophosphorus pesticides (OPPs) in water, orange juice and red wine by the SPME-GC thermionic specified detector (TSD) was validated. Limits of detection of the method for OPPs were below 10 ng/l except methidathion. Relative standard deviations (RSDs) were in the range of 1-20% for pesticides being tested. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: QUANTITATIVE-ANALYSIS ;  FIBERS ;  PESTICIDES ;  SPME
语种: 英语
WOS记录号: WOS:000234691900005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139945
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, Dept Analyt Chem & Microinstrumentat, Dalian 116023, Peoples R China

Recommended Citation:
Liu, WM,Hu, YA,Zhao, JH,et al. Physically incorporated extraction phase of solid-phase microextraction by sol-gel technology[J]. JOURNAL OF CHROMATOGRAPHY A,2006,1102(1-2):37-43.
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