Abstract

The well-known technique of gas chromatography was used to determine solubilities and liquid-phase diffusion coefficients of trace gases in a thin sulfuric acid film deposited in a fused silica column. Solubilities of SO 2, NO 2, and N 2O 4 and the diffusion coefficient of SO 2 were measured in the temperature range 203–243 K using sulfuric acid concentrations in the range of 39–83 wt%. The results suggest that sulfuric acid aerosol particles are not a physical sink for these trace gases.

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