Articles | Volume 11, issue 10
Atmos. Meas. Tech., 11, 5643–5655, 2018
https://doi.org/10.5194/amt-11-5643-2018
Atmos. Meas. Tech., 11, 5643–5655, 2018
https://doi.org/10.5194/amt-11-5643-2018

Research article 16 Oct 2018

Research article | 16 Oct 2018

An in situ flow tube system for direct measurement of N2O5 heterogeneous uptake coefficients in polluted environments

Weihao Wang et al.

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Latest update: 22 Oct 2021
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Short summary
This study introduces an in situ experimental approach to direct measurement of N2O5 heterogeneous reactivity in polluted environments. Laboratory tests, model simulations, and field deployment of the method at a polluted site in south China demonstrated its applicability in accurately measuring N2O5 uptake coefficient with high ambient pollutants levels and air mass changes. The introduced method is also applicable to in situ measurement of reactivity of other trace gases on ambient aerosols.