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2910037 
Journal Article 
Effect of temperature variation on acoustic and thermodynamic properties in the multicomponent system of heptane+1-dodecanol. plus cyclohexane at 298, 308 and 318 K and suitability of different theories of sound speed 
Mehra, R; Pancholi, M 
2006 
Yes 
Journal of the Indian Chemical Society
ISSN: 0019-4522 
83 
11 
1149-1152 
English 
WOS:000243095200018 
Densities, viscosities and sound speeds of heptane + 1-dodecanol + cyclohexane system have been investigated at three different temperatures. These experimental values are used to compute few derived properties of the ternary mixture like intermolecular free length (Lf), isentropic compressibility (Ks), acoustic impedance (Z) and internal pressure (πi). Further these parameters are used to evaluate excess parameters of the system, since excess parameters are better measure of intermolecular interactions. The excess values are then fitted into Redlich-Kister polynomial equation to estimate the standard deviation. Different theories of sound speed are applied on the system under study to validate the experimental data on sound speed and to determine the theory which is the best suited for the system. 
thermodynamic properties; ternary mixture; acoustic