Articles | Volume 16, issue 19
Atmos. Chem. Phys., 16, 12631–12647, 2016
https://doi.org/10.5194/acp-16-12631-2016
Atmos. Chem. Phys., 16, 12631–12647, 2016
https://doi.org/10.5194/acp-16-12631-2016

Research article 11 Oct 2016

Research article | 11 Oct 2016

Photochemical organonitrate formation in wet aerosols

Yong Bin Lim et al.

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We report that organonitrates were photochemically formed in wet aerosols via aqueous chemistry in the NOx–O3 chamber at high humidity. Organonitrates are considered to form in the gas phase (peroxy radical–NO during the daytime or VOC–NO3 during the nighttime); however, our chamber study results suggest daytime organonitrate formation in polluted and humid areas. Besides organonitrates, organonitrogens, organosulfates, and organonitrogen sulfates were also dominant photooxidation products.
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