Articles | Volume 20, issue 6
Atmos. Chem. Phys., 20, 3669–3682, 2020
https://doi.org/10.5194/acp-20-3669-2020
Atmos. Chem. Phys., 20, 3669–3682, 2020
https://doi.org/10.5194/acp-20-3669-2020

Technical note 26 Mar 2020

Technical note | 26 Mar 2020

Technical note: Determination of binary gas-phase diffusion coefficients of unstable and adsorbing atmospheric trace gases at low temperature – arrested flow and twin tube method

Stefan Langenberg et al.

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AR by Stefan Langenberg on behalf of the Authors (18 Feb 2020)  Author's response    Manuscript
ED: Publish as is (24 Feb 2020) by Daniel Knopf
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Short summary
Gas-phase diffusion is the first step for all heterogeneous reactions under atmospheric conditions. Therefore, we have used two complementary methods for the measurement of diffusion coefficients in the temperature range of 200–300 K: the arrested flow method is best suited for unstable gases (ozone, dinitrogen pentoxide, chlorine nitrate), and the twin tube method is best suited for stable but adsorbing trace gases (nitrogen dioxide, dinitrogen tetroxide).
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