Experimental measurements and modelling of volumetric properties, refractive index and viscosity of binary systems of ethyl lactate with methyl ethyl ketone, toluene and n-methyl-2-pirrolidone at 288.15–323.15K and atmospheric pressure. New UNIFAC–VISCO and ASOG–VISCO interaction parameters

2015 ◽  
Vol 399 ◽  
pp. 50-65 ◽  
Author(s):  
Divna M. Bajić ◽  
Emila M. Živković ◽  
Jovan Jovanović ◽  
Slobodan P. Šerbanović ◽  
Mirjana Lj. Kijevčanin
Keyword(s):  
Refractive Index ◽  
Methyl Ethyl Ketone ◽  
Atmospheric Pressure ◽  
Binary Systems ◽  
Ethyl Lactate ◽  
Interaction Parameters ◽  
Volumetric Properties ◽  
Experimental Measurements ◽  
Methyl Ethyl

scholarly journals Thermo Physical Properties for Binary Mixture of Dimethylsulfoxide and Isopropylbenzene at Various Temperatures

2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
Maninder Kumar ◽  
V. K. Rattan
Keyword(s):  
Refractive Index ◽  
Binary Mixture ◽  
Speed Of Sound ◽  
Excess Molar Volume ◽  
Atmospheric Pressure ◽  
Composition Range ◽  
Isentropic Compressibility ◽  
Experimental Measurements ◽  
Kister Equation ◽  
Thermo Physical Properties

Density, refractive index, speed of sound, and viscosity have been measured of binary mixture dimethylsulfoxide (DMSO) + isopropylbenzene (CUMENE) over the whole composition range at 298.15, 303.15, 308.15, and 313.15 K and atmospheric pressure. From these experimental measurements the excess molar volume, deviations in viscosity, molar refractivity, speed of sound, and isentropic compressibility have been calculated. These deviations have been correlated by a polynomial Redlich-Kister equation to derive the coefficients and standard error. The viscosities have furthermore been correlated with two or three parameter models, that is, herric correlation and McAllister model, respectively.

Excess properties for acetophenone + butanols at 298.15 K

2001 ◽  
Vol 79 (1) ◽  
pp. 50-53
Author(s):  
Roque Riggio ◽  
Juan F Ramos ◽  
Hector E Martinez
Keyword(s):  
Free Energy ◽  
Molecular Interactions ◽  
Atmospheric Pressure ◽  
Binary Systems ◽  
Composition Range ◽  
Excess Properties ◽  
Excess Functions ◽  
Experimental Measurements ◽  
Free Energy Of Activation ◽  
Volume Viscosity

Densities, viscosities, and refractive indexes of binary systems acetophenone + n-butanol, + sec-butanol, and + 2-methyl-1-propanol have been measured at 298.15 K and atmospheric pressure, over the whole composition range. The excess values of molar volume, viscosity, Gibbs free energy of activation of viscous flow, and internal pressure were calculated from experimental measurements. Based on the variations of the excess functions with composition, conclusions about the molecular interactions in these kinds of mixtures were obtained.Key words: excess properties, binary mixtures, butanols, acetophenone.

scholarly journals Analysis of thermophysical properties of binary systems containing ethyl acetate and 1-propanol or 1-butanol

2020 ◽  
Vol 74 (3) ◽  
pp. 163-185
Author(s):  
Divna Majstorovic ◽  
Marija Mirkovic ◽  
Mirjana Kijevcanin ◽  
Emila Zivkovic
Keyword(s):  
Refractive Index ◽  
Ethyl Acetate ◽  
Binary Systems ◽  
Calculated Data ◽  
Excess Molar Volumes ◽  
Isentropic Compressibility ◽  
Experimental Measurements ◽  
Viscosity Deviations ◽  
Kister Equation ◽  
Refractive Index Deviations

The aim of this research is the experimental determination of density, viscosity, refractive index and speed of sound for binary mixtures of the ester ethyl acetate and alcohols. Experimental measurements were carried out for two systems with 1-propanol and 1-butanol at atmospheric pressure and in a temperature range 288.15 - 323.15 K. Results of experimental measurements were further used to determine excess molar volumes, viscosity deviations, refractive index deviations, and excess isentropic compressibility for each investigated mixture. These calculated data were correlated using the empirical Redlich-Kister equation. Positive values of the excess molar volume and isentropic compressibility appear for both analysed systems, while values of viscosity and refractive index deviations are negative. The structure and specific characteristics of different molecules in considered mixtures and determined non-ideal behaviour allow the insight into the possible type of interactions in the mixture, interstitial accommodation and structural effects.

Excess properties for cyclohexanone + butanols at 298.15 K

1995 ◽  
Vol 73 (8) ◽  
pp. 1274-1277 ◽  
Author(s):  
Roque Riggio ◽  
Hector E. Martinez ◽  
Norma Z. De Salas ◽  
Miriam D. De Toigo ◽  
Juan F. Ramos
Keyword(s):  
Free Energy ◽  
Molecular Interactions ◽  
Atmospheric Pressure ◽  
Binary Systems ◽  
Composition Range ◽  
Excess Properties ◽  
Excess Functions ◽  
Experimental Measurements ◽  
Free Energy Of Activation ◽  
Volume Viscosity

Densities, viscosities, and refractive indexes of the binary systems cyclohexanone + n-butanol, + sec-butanol, and + 2-methyl-1-propanol have been measured at 298.15 K and atmospheric pressure, over the whole composition range. The excess values of molar volume, viscosity, Gibbs free energy of activation of viscous flow, and internal pressure were calculated from experimental measurements. Based on the variations of the excess functions with composition, conclusions about the molecular interactions in these kinds of mixtures were obtained. Keywords: excess properties, binary mixtures, butanols, cyclohexanone.

Densities, Viscosities and Excess Properties of Binary Mixtures of 2-Methoxy-2-methylpropane with iso-Propanol

2018 ◽  
Vol 69 (6) ◽  
pp. 1298-1302
Author(s):  
Maria Magdalena Budeanu ◽  
Vasile Dumitrescu ◽  
Simona Radu ◽  
Alexandru Camenita
Keyword(s):  
Gibbs Energy ◽  
Linear Equation ◽  
Atmospheric Pressure ◽  
Binary Systems ◽  
Composition Range ◽  
Molar Gibbs Energy ◽  
Excess Properties ◽  
Excess Functions ◽  
Experimental Measurements ◽  
Kister Equation

Densities (r) and viscosities (h) of the binary systems 2-Methoxy-2-methylpropane with iso-propanol were measured at temperatures (288.15, 293.15, 298.15, 303.15 and 308.15) K and atmospheric pressure, over the whole composition range. The density and viscosity of the solutions were correlated with the temperature with a linear equation, respectively with Guzman�s equation. The excess values of molar volume (VE), viscosity (hE) and molar Gibbs energy (DG*E) were calculated from experimental measurements. The excess functions of the binary systems were fitted to Redlich-Kister equation. Viscosity results were fitted to the equations of Grunberg-Nissan, Heric-Brewer, Jouyban-Acree and McAllister.

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