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Study of Relative Association, Apparent Molar Compressibility and Free Length of Entacapone API in alcohols at different Frequencies
Indian Journal of Pharmaceutical Education and Research
The values of ultrasonic velocity is measured by using ultrasonic interferometer for 0.01M solution of entacapone in methanol, ethanol, 1-propanol and 1-butanol as a solvent at 303.15 K by using frequency 2 MHz, 4 MHz and 6 MHz. This experimental data is used to explore the acoustic properties like intermolecular free length, relative association and apparent molar compressibility. From these thermodynamic and acoustic properties, the molecular interactions like solute-solute and solute-solventdoi:10.5530/ijper.50.4.23 fatcat:hr44kto7yvdu3aalwyvqixfp3u