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IJPAP Vol.45(02) [February 2007] >


Title: Comparative study of theoretical ultrasonic velocities of binary mixtures of methanol and pyridine at different temperatures
Authors: Rao, G V Rama
Sri, P B Sandhya
Sarma, A Viswanatha
Rambabu, C
Keywords: Ultrasonic velocities
Binary mixtures
Methanol
Pyridine
Issue Date: Feb-2007
Publisher: CSIR
IPC CodeB01J 19/10
Abstract: Theoretical velocities of binary liquid mixtures of methanol with piperidine and morpholine and pyridine with piperidine and morpholine at 303.15, 308.15, 313.15 and 318.15K have been evaluated by using theoretical models of liquid mixtures such as Nomoto, Van Dael-Vangeal, impedance dependence, Rao’s specific velocity method and Junjie’s relations. Ultrasonic velocity and density of these mixtures have also been measured as a function of concentration and temperature and the experimental values are compared with theoretical values. A good agreement has been found between experimental and Nomoto’s ultrasonic velocities. U²exp/U²imx has also been evaluated for non-ideality in the mixtures. The relative applicability of these theories to the present systems have been investigated. The results are explained in terms of intermolecular interactions occurring in these binary liquid mixtures.
Page(s): 135-142
ISSN: 0019-5596
Source:IJPAP Vol.45(02) [February 2007]

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