Mass accommodation of aniline, phenol and toluene on aqueous droplets

Mathew R. Heal, M J Pilling, P E Titcombe, B J Whitaker

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Mass accommodation coefficients on aqueous droplets have been measured for two substituted aromatic compounds using a droplet train apparatus and detection in the gas phase by laser induced fluorescence. Values of (1.8+/-0.5) x 10(-2) and (2.7+/-0.5) x 10(-2) have been obtained at 283 K for aniline and phenol, respectively. Mass accommodation of toluene was below the limit of detection of 1.0 x 10(-3). Phenol and aniline are chosen as models for polar and oxygenated species formed as C-y intermediates in the oxidation of less soluble aromatic hydrocarbon precursors. The measurements indicate that mass accommodation of such species could be a significant pathway for the removal of tropospheric hydrocarbons.

Original languageEnglish
Pages (from-to)3043-3046
Number of pages4
JournalGeophysical Research Letters
Issue number22
Publication statusPublished - 15 Nov 1995

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