Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Theories of ultrasonic velocities and their application in the binary liquid mixtures of ethyl benzoate with 2-alkoxyethanols at different temperatures
Author(s): G. Lakshmana Rao, G. R. Satyanarayana, Ch. Udayalakshmi, K. A. K. Rajkumar and C. RambabuUltrasonic velocities and densities of the binary liquid mixtures of ethyl benzoate with 2-methoxyethanol, 2- ethoxyethanol and 2-butoxyethanol have been measured over the entire composition range of mole fractions at a temperature range from 303.15 to 318.15 K with an interval of 5 K. The theoretical values of ultrasonic velocity were evaluated by using Nomoto (NOM), Impedance (IMP), Van Deal and Vangeel (VDV), Junjie’s (JUN), Rao’s specific velocity (RAO) models. The results were discussed in terms of non-ideality in the mixtures, molecular interaction parameter, relative deviation σ and Chi-square (χ 2) test for the goodness of the fit is applied to understand the applicability of these theories to the present systems.
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