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题名: Determination of alkanes in atmospheric particulate matter with pressurized liquid extraction
作者: Zhou, YS;  Wang, HW;  Guan, YF
关键词: pressurized liquid extraction ;  atmospheric particulate matter ;  n-alkanes ;  in-column injection
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2004-08-01
卷: 32, 期:8, 页:983-987
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A pressurized liquid micro-extraction (PLE) method was developed and evaluated for the extraction of alkanes in particulate matter (PM10). The extraction was performed in a stainless-steel cell of 0.5 mL in volume at 50similar to200degreesC. Variables affecting factors such as the extraction time, temperature and total solvent volume on the extraction efficiency were studied and optimized. The extracts were quantitatively analyzed by gas chromatography with a flame ionization detector. In-column injection technique was employed to inject 5 muL extracts in order to reduce the detection limit. Comparative study between the PLE and ultrasonic extraction (UE) shows that the PLE is superior to that of UE both in efficiency and time. The detection limit is 2 similar to 12 ng/m(3) with relative standard deviation between 0.8% and 10.5%.
关键词[WOS]: POLYCYCLIC AROMATIC-HYDROCARBONS ;  ACCELERATED SOLVENT-EXTRACTION ;  GAS-CHROMATOGRAPHY ;  AEROSOLS ;  INJECTION ;  SAMPLES
语种: 英语
WOS记录号: WOS:000224789800001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138431
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 116012, Peoples R China

Recommended Citation:
Zhou, YS,Wang, HW,Guan, YF. Determination of alkanes in atmospheric particulate matter with pressurized liquid extraction[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2004,32(8):983-987.
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