Physics
Scientific paper
Sep 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29q..32s&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 17, pp. 32-1, CiteID 1851, DOI 10.1029/2002GL014843
Physics
3
Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Atmospheric Composition And Structure: Cloud Physics And Chemistry, Atmospheric Composition And Structure: Troposphere-Composition And Chemistry
Scientific paper
For HNO3/HCl, 1-butanol/acetic acid and 1-butanol/HCl, adsorption isotherms have been measured at 228 K in an ice-coated flow tube with both gases present at pressures between 10-6 and 10-4 torr. For HNO3/HCl, the uptake of each gas is lowered by the presence of the other in the surface saturated regime, but the total surface coverage of adsorbed gases is similar to the coverage of HNO3 adsorbing alone. There is no delay to the onset of the displacement of one adsorbed acid by the other and HNO3 bonds more strongly than HCl. Competition also occurs between 1-butanol and acetic acid in the saturated regime of their isotherms, but not in a manner consistent with a two-species Langmuir model. By contrast, 1-butanol is not affected by the presence of a saturated surface of HCl.
Abbatt Jonathan P. D.
Sokolov O.
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