Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2014 Vol: 6 Issue: 9

Ultrasonic investigation and molecular interaction studies in substituted oxoimidazoline drugs solution at different concentrations

Abstract

The study of interaction between solute-solute and solute-solvent interaction of substituted imidazolinone in 70% (DMF+water) solvents by measuring ultrasonic velocity and density in different concentration of solute in the range (1x10-2 M to 6x10-4 M) in 70% of solvent has done. In the present investigation, different acoustical parameters, such as ultrasonic velocity (U), adiabatic compressibility (βs), partial molal volume (φv), intermolecular free length (Lf), apparent molal compressibility (φκ), specific acoustic impedance (Z), relative association (RA), solvation number (Sn) of substituted imidazolinone in 70% of DMF+water mixture at 298K have been studied. With the help of experimental data,the effect of concentration of solute on different acoustical parameters in DMF-water mixtures at a constant temperature and deviation of acoustical parameter from the ideality has been studied.