Physics – Optics
Scientific paper
Oct 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008georl..3520812l&link_type=abstract
Geophysical Research Letters, Volume 35, Issue 20, CiteID L20812
Physics
Optics
Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801, 4906), Atmospheric Composition And Structure: Ion Chemistry Of The Atmosphere (2419, 2427), Atmospheric Composition And Structure: Cloud Optics
Scientific paper
Rapid-scan Fourier transform infrared attenuated total reflection (FTIR-ATR) spectroscopy was employed to study the effect of the relative humidity anneal on the hygroscopicity of NaCl, NaNO3 and NaClO4 aerosol particles. The annealed NaCl, NaNO3 and NaClO4 particles deliquesced at the relative humidity of ~83%, ~87% and ~48%, respectively, which are much higher than the deliquescence relative humidity of the unannealed particles. The annealing of the particles was suggested to reduce the surface defects, and thereby delayed the deliquescence relative humidity of hygroscopic aerosol particles, which should be a ubiquitous process in the atmosphere.
He Ting
Lu Pei-Dong
Zhang Yun-Hong
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