Articles | Volume 20, issue 17
Atmos. Chem. Phys., 20, 10459–10475, 2020
https://doi.org/10.5194/acp-20-10459-2020

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

Atmos. Chem. Phys., 20, 10459–10475, 2020
https://doi.org/10.5194/acp-20-10459-2020

Research article 08 Sep 2020

Research article | 08 Sep 2020

Evolution of NO3 reactivity during the oxidation of isoprene

Patrick Dewald et al.

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Latest update: 15 Jun 2021
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Short summary
We present direct measurements of NO3 reactivity resulting from the oxidation of isoprene by NO3 during an intensive simulation chamber study. Measurements were in excellent agreement with values calculated from measured isoprene amounts and the rate coefficient for the reaction of NO3 with isoprene. Comparison of the measurement with NO3 reactivities from non-steady-state and model calculations suggests that isoprene-derived RO2 and HO2 radicals account to ~ 50 % of overall NO3 losses.
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