Abstract
Utilizing the ultrasonic speed of sound and density of ternary mixture of butoxyethanol (BE), phenoxyethanol(PE) in aqueous solution of biotin (Vitamin B7) at concentrations (0.0012, 0.0017, 0.0022) mol∙〖kg〗^(-1)and varying temperature from (288.15 to 303.15 K) for constant frequency (3 MHz), various thermoacoustic parameters, such as acoustic impedance (Z), adiabatic compressibility (β), Wada's constant (W), Rao's constant (R), intermolecular free length (LF), and Vander Waal's constant (b) have been determined. The experimental work was carried out by using Anton Paar DSA 5000 M at constant pressure 0.1 MPa. The calculated values obtained from experimental values provided the understanding of intermolecular interaction between solute and solvent in liquid mixture. Variation in these parameters describes the understanding of behavior and interaction between the components in solution. Decrease in ultrasonic velocity depicts the weak interaction between molecules.
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