Archives of Acoustics, 15, 3-4, pp. 239-251, 1990
Ultrasonic and thermodynamic effects of self-association of aliphatic alcohols in c- C6 H12. I. Primary butanols
The ultrasound velocities in and densities of mixtures of n-butanol and iso-butanol with cyclohexane as a common component have been measured at 293.15 K. The adiabatic compressibility coefficients. βs = -1/V(V/p)s, compressibilities, xs = βsV, and the free intermolecular lengths, L, of those mixtures were estimated and their dependence on the alcohol concentration reproduced by simple polynomials. The excess values of the above quantities, VE, and were calculated and djscussed. The dependence of those excess functions on the mixture composition, expressed in mole fractions of alcohol, x1 can be successfully reproduced by the Redlich-Kister equation.
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