Uptake coefficient of H2O2 on ice
Item
Title (Dublin Core)
Uptake coefficient of H2O2 on ice
Description (Dublin Core)
H<sub>2</sub>O<sub>2</sub> uptake coefficients on ice surfaces, over a temperature range from 190 to 220 K, have been studied in a flow reactor coupled with a differentially pumped quadrupole mass spectrometer. The initial uptake coefficient increases with an increase in H<sub>2</sub>O<sub>2</sub> pressure and a decrease in temperature. The results were analyzed using surface kinetics, and the analysis shows that the uptake involves both H<sub>2</sub>O<sub>2</sub> adsorption and surface aggregation. H<sub>2</sub>O<sub>2</sub> desorption kinetics supports lateral attractive interactions among adsorbed H<sub>2</sub>O<sub>2</sub> on ice. The result can be used to model the heterogeneous H<sub>2</sub>O<sub>2</sub> loss on snow/ice surfaces and cirrus clouds as a function of the H<sub>2</sub>O<sub>2</sub> concentration and temperature.
Creator (Dublin Core)
Yan, H.
Chu, L. T.
Date (Dublin Core)
2018-08-10
Type (Dublin Core)
Text
Format (Dublin Core)
application/pdf
Identifier (Dublin Core)
10.5194/acpd-11-30091-2011
https://acp.copernicus.org/preprints/acp-2011-865/
Source (Dublin Core)
eISSN: 1680-7324
Language (Dublin Core)
eng
