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ThxrToahysitzl aroaxrtixs of azrz zniszlKxhyKx with xthyl ixnzxnx zt (303.15, 313.15 znK 323.15) K.
R. BaPTaran a and T. R. Tubxndran b
aDxpartPxnt of ZAxPiZal xnginxxring, Pt.JoPxpA’P Zollxgx of xnginxxring, ZAxnnai-119 ,India.
bDxpartPxnt of ZAxPiZal xnginxxring, Alagappa Zollxgx of TxZAnology, Anna UnivxrPity, ZAxnnai-600025, India.
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Abstract:
Measurements of thermodynamic and transport properties have been adequately employed in understanding the nature of molecular systems and physico-chemical behavior in liquid mixtures. These properties are important from practical and theoretical point of view to understand liquid theory. Density (ρ),viscosity (η), refractive index (n) and surface tension (σ) have been measured for a binary liquid mixture of p-anisaldehyde +ethyl benzene over the entire composition range at 303.15 K, 313.15 K and 323.15 K The viscosity values have been fitted to McAllister model and Krishnan and Laddha model. The excess values were correlated using Redlich-Kister polynomial equation. It was found that in all cases, the data obtained fitted with the values correlated by the corresponding models very well. Comparison has been made between the models. The molecular interactions existing between the components were also discussed.
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Keywords: Viscosity; Surface tension; Refractive index; Molecular interactions
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*Corresponding author; e-mail: trkubendran@yahoo.co.in
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©
2010
CSME , ISSN 0257-9731
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