Articles | Volume 21, issue 16
Atmos. Chem. Phys., 21, 12665–12685, 2021
https://doi.org/10.5194/acp-21-12665-2021

Special issue: Simulation chambers as tools in atmospheric research (AMT/ACP/GMD...

Atmos. Chem. Phys., 21, 12665–12685, 2021
https://doi.org/10.5194/acp-21-12665-2021

Research article 26 Aug 2021

Research article | 26 Aug 2021

Atmospheric photooxidation and ozonolysis of Δ3-carene and 3-caronaldehyde: rate constants and product yields

Luisa Hantschke et al.

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Cited articles

Albrecht, S. R., Novelli, A., Hofzumahaus, A., Kang, S., Baker, Y., Mentel, T., Wahner, A., and Fuchs, H.: Measurements of hydroperoxy radicals (HO2) at atmospheric concentrations using bromide chemical ionisation mass spectrometry, Atmos. Meas. Tech., 12, 891–902, https://doi.org/10.5194/amt-12-891-2019, 2019. a
Alvarado, A., Arey, J., and Atkinson, R.: Kinetics of the gas-phase reactions of OH and NO3 radicals and O3 with the monoterpene reaction products pinonaldehyde, caronaldehyde, and sabinaketone, J. Atmos. Chem., 31, 281–297, https://doi.org/10.1023/a:1006010915971, 1998. a, b, c, d, e, f, g
Arey, J., Atkinson, R., and Aschmann, S. M.: Product study of the gas-phase reaction of monoterpenes with the OH radical in the presence of NOx, J. Geophys. Res.-Atmos., 95, 18539–18546, https://doi.org/10.1029/JD095iD11p18539, 1990. a, b, c, d
Aschmann, S. M., Arey, J., and Atkinson, R.: OH radical formation from the gas-phase reactions of O3 with a series of terpenes, Atmos. Environ., 36, 4347–4355, https://doi.org/10.1016/s1352-2310(02)00355-2, 2002a. a, b, c
Aschmann, S. M., Atkinson, R., and Arey, J.: Products of reaction of OH radicals with α-pinene, J. Geophys. Res.-Atmos., 107, 7, https://doi.org/10.1029/2001jd001098, 2002b. a, b, c
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The reactions of Δ3-carene with ozone and the hydroxyl radical (OH) and the photolysis and OH reaction of caronaldehyde were investigated in the simulation chamber SAPHIR. Reaction rate constants of these reactions were determined. Caronaldehyde yields of the ozonolysis and OH reaction were determined. The organic nitrate yield of the reaction of Δ3-carene and caronaldehyde-derived peroxy radicals with NO was determined. The ROx budget (ROx = OH+HO2+RO2) was also investigated.
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