Acta Phys. -Chim. Sin. ›› 2006, Vol. 22 ›› Issue (05): 596-601.doi: 10.3866/PKU.WHXB20060516
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HUANG Ming-Qiang;HAO Li-Qing;ZHOU Liu-Zhou;GU Xue-Jun;WANG Zhen-Ya;FANG Li;ZHANG Wei-Jun
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Abstract: A laboratory study was carried out to investigate the secondary organic aerosol (SOA) products from photooxidation of the aromatic hydrocarbon ethylbenzene. The experiments were conducted by irradiating ethylbenzene/CH3ONO/NOx mixtures in a home-made smog chamber. Size distribution of the secondary organic aerosol particles was detected with an aerodynamic particle sizer spectrometer. The aerosol time-of-flight mass spectrometer (ATOFMS) was used to measure the chemical composition of individual secondary organic aerosol particle in real time. According to a large number of single aerosol mass spectra, the chemical composition of SOA was obtained statistically. The possible reaction mechanisms leading to these products were also discussed.
Key words: Ethylbenzene, Secondary organic aerosol, Smog chamber, Laser desorption/ ionization, Reaction mechanisms
HUANG Ming-Qiang;HAO Li-Qing;ZHOU Liu-Zhou;GU Xue-Jun;WANG Zhen-Ya;FANG Li;ZHANG Wei-Jun. Chemical Composition and Reaction Mechanisms for Secondary Organic Aerosol from Photooxidation of Ethylbenzene[J].Acta Phys. -Chim. Sin., 2006, 22(05): 596-601.
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URL: http://www.whxb.pku.edu.cn/EN/10.3866/PKU.WHXB20060516
http://www.whxb.pku.edu.cn/EN/Y2006/V22/I05/596
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