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3. FTIR in situ study of supersaturated solutions of MgSO4 and NaClO4 aerosols.

Author

Zhao Lijun, Zhang Yunhong, Wang Liangyu, and Cheng Hua

Subjects
FOURIER transform infrared spectroscopy, AEROSOLS, MAGNESIUM, SODIUM, IONS, ATOMIZATION, CHEMISTRY
Abstract

The continuous sampling FTIR/AFT (aerosol flow tube) has been constructed in the present work, leading to the in situ observation of the supersaturated solutions of MgSO4 and NaClO4 aerosols. The observation suggests that the MgSO4 aerosol show serious mass transfer limitation at low RH (relative humidity), while the NaClO4 aerosol deliquesce without notable effect of kinetic factors. It is also shown that the v3 band of SO42- is very sensitive to the formation of contact ion pairs in the supersaturated solutions of MgSO4 aerosol. [ABSTRACT FROM AUTHOR]

Published
2004
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