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KMID : 1059520120560040424
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Journal of the Korean Chemical Society
2012 Volume.56 No. 4 p.424 ~ p.430
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Thermophysical Properties of Acetophenone with Ethylchloroacetate at Temperatures of 303.15, 313.15 and 323.15 K
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Saravanakumar K.
Baskaran R.
Kubendran T. R.
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Abstract
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Densities, viscosities, refractive indices and speed of sounds of the binary mixtures of Acetophenone with Ethylchloroacetate were measured over the entire mole fractions at (303.15, 313.15 and 323.15) K. From these experimental results, excess molar volume VE, viscosity deviation Δη, refractive index deviation ΔnD, deviations in speed of sound Δu, deviations in isentropic compressibility Δks and excess intermolecular free length ΔLf were calculated. The viscosity data have been correlated with the equations of Grunberg and Nissan, Hind et al., Tamura and Kurata, Katti and Chaudri, Sedgwick, Krishnan- Laddha and McAllister. The thermo physical properties under study were fit to the Jouyban-Acree model. The excess values were correlated using Redlich-Kister polynomial equation to obtain their coefficients and standard deviations. It was found that in all cases, the data obtained fitted with the values correlated by the corresponding models very well. The results are interpreted in terms of molecular interactions occurring in the solution.
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KEYWORD
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Viscosity, Density, Refractive index, Ultrasonic velocity, Molecular interactions
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