Reactive uptake coefficients for multiphase reactions determined by a dynamic 
chamber system

Guo, Li; Su, Hang; Li, Meng; Kuhn, Uwe; Zheng, Guangjie; Han, Lei; Bao, Fengxia; Pöschl, Ulrich; Cheng, Yafang

doi:10.5194/amt-15-6433-2022

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Reactive uptake coefficients for multiphase reactions determined by a dynamic chamber system

MPS-Authors

/persons/resource/persons204129

Guo, Li
Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons101295

Su, Hang
Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons230378

Li, Meng
Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons203111

Kuhn, Uwe
Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons203184

Zheng, Guangjie
Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons280915

Han, Lei
Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons273233

Bao, Fengxia
Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons101189

Pöschl, Ulrich
Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

/persons/resource/persons127588

Cheng, Yafang
Multiphase Chemistry, Max Planck Institute for Chemistry, Max Planck Society;

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https://amt.copernicus.org/articles/15/6433/2022/amt-15-6433-2022.pdf
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Citation

Guo, L., Su, H., Li, M., Kuhn, U., Zheng, G., Han, L., et al. (2022). Reactive uptake coefficients for multiphase reactions determined by a dynamic chamber system. Atmospheric Measurement Techniques, 15(21), 6433-6446. doi:10.5194/amt-15-6433-2022.

Cite as: https://hdl.handle.net/21.11116/0000-000B-7B8A-0

Abstract

DDynamic flow-through chambers are frequently used to measure gas exchange rates between the atmosphere and biosphere on the Earth's surface such as vegetation and soils. Here, we explore the performance of a dynamic chamber system in determining the uptake coefficient γ of exemplary gases (O3 and SO2) on bulk solid-phase samples. After characterization of the dynamic chamber system, the derived γ is compared with that determined from a coated-wall flow tube system. Our results show that the dynamic chamber system and the flow tube method show a good agreement for γin the range of 10−8 to 10−3. The dynamic chamber technique can be used for liquid samples and real atmospheric aerosol samples without complicated coating procedures, which complements the existing techniques in atmospheric kinetic studies.