Rapid analysis of SVOC in aerosols by desorption electrospray ionization mass spectrometry

Journal of the American Society for Mass Spectrometry
Hong ChenJian-Min Chen

Abstract

Desorption electrospray ionization mass spectrometry (DESI-MS) was applied for the first time to the analysis of semivolatile organic compounds (SVOC) in atmospheric aerosols. We took polycyclic aromatic hydrocarbons (PAHs) as representatives of SVOCs. The DESI-MS conditions were optimized and the limit of detection for PAHs was about 10 pg with 5 s sampling time. PAHs from both laboratory-made biomass burning aerosols and ambient aerosols were selectively and rapidly analyzed without extraction or preconcentration. The observed PAH species and their relative ion intensities are discussed. This work demonstrates that DESI-MS is a promising method for rapid semiquantitative analysis of SVOC in atmospheric aerosols.

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Citations

May 14, 2011·Analytical and Bioanalytical Chemistry·Sylwia KrólJacek Namieśnik
Aug 18, 2009·Journal of the American Society for Mass Spectrometry·Ying XieLan-Sun Zheng
Sep 24, 2008·The Analyst·Glenn A HarrisFacundo M Fernandez
Jan 6, 2011·Physical Chemistry Chemical Physics : PCCP·Sergey A NizkorodovAlexander Laskin
Apr 15, 2010·Rapid Communications in Mass Spectrometry : RCM·Laura LuosujärviTiina J Kauppila
Apr 5, 2013·Journal of the American Chemical Society·Hai-Feng SuLan-Sun Zheng

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