Volumetric and compressibility studies on extractant-diluent system: effect of chain length

The experimental densities ρ and sound velocities u for binary mixtures of TBP–dodecane have been measured at temperatures from 298.15 to 323.15 K and atmospheric pressure over the whole mole fraction range. From these data, the excess molar volume (VE) and deviation in isentropic compressibility (Δ...

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Bibliographic Details
Published in:Desalination and water treatment 2014, Vol.52 (1-3), p.498-506
Main Authors: Basu, M. Ali, Samanta, T., Das, D.
Format: Article
Language:English
Subjects:
Binary mixtures
Compressibility
Density
Deviation
Dodecane
Excess molar volume
Isentropic compressibility
Mathematical analysis
Molar volume
Moles
TBP
Thermal expansion coefficient
Triangles
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Summary:The experimental densities ρ and sound velocities u for binary mixtures of TBP–dodecane have been measured at temperatures from 298.15 to 323.15 K and atmospheric pressure over the whole mole fraction range. From these data, the excess molar volume (VE) and deviation in isentropic compressibility (Δks) have been calculated and fitted to Redlich–Kister polynomial equation. VE and Δks values are positive for TBP–dodecane over the whole mole fraction range and at the above-mentioned temperatures. Excess thermal expansion coefficients (αE) of a mixture of equimolar composition and deviations in molar volume of the components at infinite dilution have been calculated at all temperatures. The variations of these properties with composition and temperature of the binary mixture are discussed in terms of molecular interactions.
ISSN:1944-3986
1944-3994
1944-3986
DOI:10.1080/19443994.2013.813685