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- Title
Speeds of sound and isentropic compressibil- ities of cyclohexane+1,3-dioxolane+2-butanol and n-hexane+1,3-dioxolane+2-butanol.
- Authors
Gascón, I.; Rodriguez, V.; Cea, P.; Lafuente, C.; López, M. C.
- Abstract
Speeds of sound of the ternary mixtures cyclohexane+ I ,3-dioxolane+2-butanol and n-hexane+ 1,3- dioxolane+2-butanol have been measured at the temperatures of 298.15 and 313.15 K. Isentropic compressibilities and excess isentropic compressibilities have been calculated from experimental data. We have also compared the experimental isentropic compressibilities with calculated values from the free length theory and the collision factor theory. Experimental results show positive values of excess isentropic compressibilities in almost the whole composition range for the ternary mixture containing cyclohexane, meanwhile they are negative for the mixture containing n-hexane. Such different behaviour of these systems is related to the large free volume shown by n-hexane.
- Subjects
BUTANOL; CYCLOHEXANE; SPEED of sound; THERMAL analysis; CALORIMETRY
- Publication
Journal of Thermal Analysis & Calorimetry, 2004, Vol 76, Issue 2, p429
- ISSN
1388-6150
- Publication type
Article