Measurement and modeling of transport properties of binary liquid mixtures containing oxygenates and n-alkanes
2019
Dynamic viscosities (η) of the binary liquid mixtures of 2-propanol (1)+n-alkanes (C6, C7, C9) (2) at T=288.15 K to 303.15 K and ethanol (1)+n-alkanes (C6, C7, C8) (2) at T=308.15 K to 318.15 K were experimentally measured over the whole composition range. Experimental values of η were used to compute the deviation in dynamic viscosity (Δη) and these Δη values were correlated with the Redlich-Kister equation. The η values of binary mixtures were also calculated using several empirical correlations and mixing rules like Grunberg-Nissan, Tamura-Kurata, Kati-Chaudhari and McLaughlin-Ubbelohde and found that the Grunberg-Nissan correlation gave the best estimation. The Δη values were also predicted by an approach given by Singh et al. [Indian J Chem 29, 263 (1990)].
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