Articles | Volume 18, issue 3
Atmos. Chem. Phys., 18, 1611–1628, 2018
Atmos. Chem. Phys., 18, 1611–1628, 2018
Research article
05 Feb 2018
Research article | 05 Feb 2018

Effects of NOx and SO2 on the secondary organic aerosol formation from photooxidation of α-pinene and limonene

Defeng Zhao et al.

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Cited articles

Aiken, A. C., DeCarlo, P. F., and Jimenez, J. L.: Elemental analysis of organic species with electron ionization high-resolution mass spectrometry, Anal. Chem., 79, 8350–8358,, 2007. 
Atkinson, R. and Arey, J.: Atmospheric degradation of volatile organic compounds, Chem. Rev., 103, 4605–4638,, 2003. 
Atkinson, R., Baulch, D. L., Cox, R. A., Crowley, J. N., Hampson, R. F., Hynes, R. G., Jenkin, M. E., Rossi, M. J., and Troe, J.: Evaluated kinetic and photochemical data for atmospheric chemistry: Volume I – gas phase reactions of Ox, HOx, NOx and SOx species, Atmos. Chem. Phys., 4, 1461–1738,, 2004. 
Short summary
Air pollutants emitted by human activities such as NOx and SO2 can influence the abundance of secondary organic aerosol (SOA) from biogenic volatile organic compounds (VOCs). We found that NOx suppressed new particle formation and SOA mass formation. When both SO2 and NOx are present, the suppressing effect of NOx on SOA mass formation was counteracted by SO2. High NOx changed SOA chemical composition, forming more organic nitrate, because NOx changed radical chemistry during VOC oxidation.
Final-revised paper