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In this analysis, the ultrasonic velocity, density, and viscosity in ethyl propionate with butanol are measured at different temperatures of 308, 313, 318, 323, 328, and 333 K. Acoustical parameters such as adiabatic compressibility (βa), intermolecular free length (Lf), relaxation time (τ), acoustic impedance (Z), internal pressure (πi) have been determined from these. The variety of derived parameters...
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