Abstract
The method of IR Fourier spectroscopy is used to study the physical nature of the
molecular mechanism of vapor-phase extraction of low-molecular-weight organic acids
C<sub>2</sub>-C<sub>6</sub> from aqueous solutions. It is established that the
characteristic absorption bands in the vibrational spectrum of the extracted component
in the vapor phase are displaced, based on which it is concluded that intermolecular
interactions exist between the molecules of the given component and the extractant in
the vapor phase. The kinetic parameters of vapor-phase extraction are calculated for
organic substances of structural form C<sub>2</sub>-C<sub>6</sub>.
© 2008 Optical Society of America
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