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Determination of 16 polycyclic aromatic hydrocarbons in atmospheric particulate matters by on-line micro-pressurized liquid extraction coupled with capillary gas chromatography
Zhou, YS; Liu, WM; Zhao, JH; Guan, YF
关键词Atmospheric Particulate Matters Pressurized Liquid Extraction On-line Coupling Polycyclic Aromatic Hydrocarbons Capillary Gas Chromatography
刊名CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
2005-09-01
33期:9页:1231-1234
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
关键词[WOS]LARGE-VOLUME INJECTION ; SEDIMENT
英文摘要A micro pressurized liquid extraction device (mu-PLE) coupled on-line with capillary gas chromatography (CGC) through large volume injection (LVI) was developed and evaluated for the determination of polycyclic aromatic hydrocarbons (PAHs) on PM10 samples. Variables affecting the PLE efficiency such as the pressure, temperature and time of the extraction were studied and optimized in the pressure range of 5 similar to 20 MPa, temperature range of 50 similar to 200 degrees C and extraction time of 2 similar to 15 min, respectively. The recovery of the method was in the range of 24.3% similar to 63%; the detection limit for standard sample was 2.2 - 9.5 mu g/L, and was 0.01 similar to 2.03 ng/m(3) for real sample, with relative standard deviation between 1.6% and 26.4%. The miniaturization of PLE system and the use of LVI technique allows on-line coupling of PLE and CGC. The complete transference of the extraction solvent onto the CGC increases the utilization of the sample more than 80%, and enhances the detection sensitivity above 100 times. The method is applicable to monitor short time chemical changes on atmospheric particle matters.
语种英语
WOS记录号WOS:000232564600007
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139773
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116012, Peoples R China
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GB/T 7714
Zhou, YS,Liu, WM,Zhao, JH,et al. Determination of 16 polycyclic aromatic hydrocarbons in atmospheric particulate matters by on-line micro-pressurized liquid extraction coupled with capillary gas chromatography[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2005,33(9):1231-1234.
APA Zhou, YS,Liu, WM,Zhao, JH,&Guan, YF.(2005).Determination of 16 polycyclic aromatic hydrocarbons in atmospheric particulate matters by on-line micro-pressurized liquid extraction coupled with capillary gas chromatography.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,33(9),1231-1234.
MLA Zhou, YS,et al."Determination of 16 polycyclic aromatic hydrocarbons in atmospheric particulate matters by on-line micro-pressurized liquid extraction coupled with capillary gas chromatography".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 33.9(2005):1231-1234.
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