Laboratory flow reactor measurements of the reaction SO3 + H2O + M yields H2SO4 + M: Implications for gaseous H2SO4 and aerosol formation in the plumes of jet aircraft

Details Laboratory flow reactor measurements of the reaction SO3 + H2O + M yields H2SO4 + M: Implications for gaseous H2SO4 and aerosol formation in the plumes of jet aircraft Laboratory flow reactor measurements of the reaction SO3 + H2O + M yields H2SO4 + M: Implications for gaseous H2SO4 and aerosol formation in the plumes of jet aircraft

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20.2659r&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 23, p. 2659-2662

Physics

39

Aerosols, Atmospheric Chemistry, Chemical Reactions, Chemical Reactors, Jet Exhaust, Mass Spectroscopy, Plumes, Reaction Products, Sulfuric Acid, Catalysts, Drops (Liquids), Nucleation

Scientific paper

The reaction SO3 + H2O + M has been investigated with a tubular flow reactor at a pressure of 85 Torr. Sulfuric acid has been identified as the most probable product of the reaction. Both, reactant SO3 as well as the product H2SO4 have been measured quantitatively using chemical ionization mass spectrometry. An upper limit for the reaction rate coefficient of 2.4 x 10(exp -15) cu cm/s has been inferred from the measurements. Implications for sulfuric acid and aerosol formation in the plumes of jet aircraft are discussed.

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