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题名: Thermal Desorption-Gas Chromatography or Gas Chromatography-Mass Spectrometry for Analysis of Semi-Volatile Compounds on Atmospheric Particulate Matters
作者: Meng Hu1, 2;  Zhao Jing-Hong1;  Duan Chun-Feng1;  Hao Liang1, 2;  Guan Ya-Feng1
关键词: Atmospheric particulate matters ;  Semi-volatile organic compound ;  Thermal desorption ;  Particulate matter 2.5
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2014-07-01
DOI: 10.1016/S1872-2040(14)60749-0
卷: 42, 期:7, 页:931-936
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 thermal desorption (TD) device was developed and coupled to gas chromatograph (GC) or gas chromatograph-mass spectrometer (GC-MS) for the qualitative and quantitative analysis of semi-volatile organic compounds on atmospheric particulate matters (PM). The TD was operated by direct heating and placed on the top of GC injector, leading to high heating rate and easy transfer of analytes to GC without re-focusing of analytes by cold trap. The materials used for supporting PM samples, desorption temperature and time, and types of sample injection were investigated for the detection of sixteen polycyclic aromatic hydrocarbons (PAHs) and nine n-alkanes. The limits of detection of the proposed TD-GC method were in the range of 0.014-0.094 ng for PAHs, and 0.016-0.026 ng for n-alkanes, with coefficients of correlation above 0.9975. The TD-GC method was applied to the determination of trace PAHs and n-alkanes on PM10 samples from three cities. The recoveries were in the range of 95%. 135% (PAHs) and 95%-115% (n-alkanes). Finally, the TD was coupled to GC-MS for comparison of the contents of PAHs and n-alkanes on PMx with different particulate size (x = 10, 5, 2, 1, 0.5, 0.25, 0.1).
关键词[WOS]: POLYCYCLIC AROMATIC-HYDROCARBONS ;  PRESSURIZED LIQUID EXTRACTION ;  PM2.5 ;  AEROSOLS ;  ALKANES ;  GC/MS
语种: 英语
WOS记录号: WOS:000340842400001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145556
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, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Meng Hu,Zhao Jing-Hong,Duan Chun-Feng,et al. Thermal Desorption-Gas Chromatography or Gas Chromatography-Mass Spectrometry for Analysis of Semi-Volatile Compounds on Atmospheric Particulate Matters[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2014,42(7):931-936.
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