Heterogeneous processes of nitrogen dioxide on liquid surfaces

Stephan Mertes; Andreas Wahner

doi:10.1117/12.140208

12 February 1993 Heterogeneous processes of nitrogen dioxide on liquid surfaces

Stephan Mertes, Andreas Wahner

Proceedings Volume 1715, Optical Methods in Atmospheric Chemistry; (1993) https://doi.org/10.1117/12.140208
Event: Environmental Sensing '92, 1992, Berlin, Germany

Abstract

A liquid jet technique is used to measure gas phase loss and liquid phase uptake of nitrogen dioxide (NO₂) and nitrous acid (HNO₂) caused by heterogeneous reactions on liquid surfaces. The experimental results are compared with two-dimensional model calculations. In the case of NO₂ the predictions of the model are in agreement with the experimental observations for both gas and liquid phase (i.e., conservation of mass) assuming an effective Henry constant at least eight times larger as the physical Henry constant. In addition the comparison yields a mass accommodation coefficient (alpha) >= 2 * 10^-4 for NO₂ and (alpha) > 1 * 10^-3 for HNO₂.

Citation Download Citation

Stephan Mertes and Andreas Wahner "Heterogeneous processes of nitrogen dioxide on liquid surfaces", Proc. SPIE 1715, Optical Methods in Atmospheric Chemistry, (12 February 1993); https://doi.org/10.1117/12.140208

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