Physics
Scientific paper
Nov 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994georl..21.2401h&link_type=abstract
Geophysical Research Letters, Volume 21, Issue 22, p. 2401-2404
Physics
18
Atmospheric Composition And Structure: Aerosols And Particles, Atmospheric Composition And Structure: Middle Atmosphere-Composition And Chemistry, Atmospheric Composition And Structure: Troposphere-Composition And Chemistry
Scientific paper
The probabilities for N2O5 loss onto sulfuric acid aerosol (60-80 wt % H2SO4, 0.1-0.2 μm radius, 230-300 K) were measured using a laminar flow reactor coupled to a sulfuric acid aerosol source and a chemical ionization mass spectrometer. The aerosol morphology was extracted from measurements of the aerosol extinction of ultraviolet light (200-370 nm) by using Mie theory. The reaction probabilities, γ, are large (0.06-0.12) and a comparable to probabilities measured previously under similar conditions on bulk sulfuric acid surfaces and small aerosol. These measurements confirm that the overall reaction of N2O5 with H2O in/on 60-80% sulfuric acid is fast and the uptake is due to loss very close to the liquid surface.
Hanson Robin D.
Lovejoy Edward R.
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