Temperature- and composition-dependent infrared optical constants for sulfuric acid

被引：16
|
作者：
Niedziela, RF
Norman, ML
Miller, RE
Worsnop, DR
机构：
[1] De Paul Univ, Dept Chem, Chicago, IL 60614 USA
[2] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA
[3] Aerodyne Res Inc, Ctr Aerosol & Cloud Chem, Billerica, MA 01821 USA
来源：
GEOPHYSICAL RESEARCH LETTERS | 1998年 / 25卷 / 24期
关键词：
D O I：
10.1029/1998GL900202
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Complex refractive indices have been retrieved directly from the FT-IR extinction spectra of laboratory-generated, binary sulfuric acid/water aerosols over a range of temperatures and compositions relevant to the atmosphere of Earth. The refractive indices are strongly dependent upon both temperature and composition, due to changes in the equilibrium between sulfate and bisulfate ions and the resultant change in the corresponding solvation interactions. The present results have important implications for determining the composition of sulfuric acid aerosols by remote sensing applications.
引用
收藏
页码：4477 / 4480
页数：4
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