Revised kinetics in the droplet-train apparatus due to a wall loss

David R. Hanson, Masakazu Sugiyama, Akihiro Morita

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


An equation for analyzing the kinetic results for the droplet-train apparatus with a wall loss is derived. We show that the presence of a radial concentration gradient due to loss on the flow reactor wall significantly affects the measured uptake coefficient γmeas on droplets in the center of the reactor. For an efficient wall loss, γmeas can be ∼60% less than that calculated without consideration of the loss on the wall. This revision of the kinetics for species with a wall loss leads to an increase in the uncertainty of the extracted gas-surface reaction probability for high water vapor pressure experimental conditions.

Original languageEnglish
Pages (from-to)3739-3744
Number of pages6
JournalJournal of Physical Chemistry A
Issue number17
Publication statusPublished - 2004 Apr 29


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