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ACP | Articles | Volume 20, issue 10
Atmos. Chem. Phys., 20, 6055–6080, 2020
https://doi.org/10.5194/acp-20-6055-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 20, 6055–6080, 2020
https://doi.org/10.5194/acp-20-6055-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 25 May 2020

Research article | 25 May 2020

Heterogeneous oxidation of amorphous organic aerosol surrogates by O3, NO3, and OH at typical tropospheric temperatures

Jienan Li et al.

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Cited articles

Abramson, E., Imre, D., Beranek, J., Wilson, J., and Zelenyuk, A.: Experimental determination of chemical diffusion within secondary organic aerosol particles, Phys. Chem. Chem. Phys., 15, 2983–2991, https://doi.org/10.1039/c2cp44013j, 2013. 
Andreae, M. O., Rosenfeld, D., Artaxo, P., Costa, A. A., Frank, G. P., Longo, K. M., and Silva-Dias, M. A.: Smoking rain clouds over the Amazon, Science, 303, 1337–1342, https://doi.org/10.1126/science.1092779, 2004. 
Angell, C. A.: Relaxation in liquids, polymers and plastic crystals – strong fragile patterns and problems, J. Non-Cryst. Solids, 131, 13–31, https://doi.org/10.1016/0022-3093(91)90266-9, 1991. 
Angell, C. A.: Formation of glasses from liquids and biopolymers, Science, 267, 1924–1935, https://doi.org/10.1126/science.267.5206.1924, 1995. 
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Organic aerosol is ubiquitous in the atmosphere and can change its phase state from liquid to solid in response to temperature. Our laboratory measurements demonstrate that the chemical reactivity of typical organic aerosol species with atmospheric oxidants is modulated by the species’ phase state. We find that under temperatures typical of the middle and upper troposphere the chemical lifetime of organic aerosol can be significantly extended due to the reduced reactive uptake of gas oxidants.
Organic aerosol is ubiquitous in the atmosphere and can change its phase state from liquid to...
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