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Ultrasonic study of solute-solute and solute-solvent interactions of drug isoniazid in aqueous-glucose solutions at different temperatures Ankita and Anil Kumar Nain* Department of Chemistry, Dyal Singh College (University of Delhi), New Delhi – 110 003, India *Corresponding author E-mail address: email@example.com Abstract Ultrasonic speed and the parameters calculated from it provide significant information regarding solute-solute and solute-solvent interaction between the component molecules in solutions. The ultrasonic speeds, u and densities of the drug isoniazid in water and in aqueous glucose (5% and 10% glucose in water, w/w) solvents were measured at different temperatures and at atmospheric pressure. The u and density data have been used to calculate apparent molar volumes, limiting apparent molar volumes, apparent molar compressibilities, limiting apparent molar compressibilities, transfer volumes, and transfer compressibilities. These parameters have been discussed in terms of solute-solute and solute-solvent interactions prevailing in these solutions. The structure making/breaking ability of isoniazid in these solutions.
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