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IJPAP Vol.42(11) [November 2004] >


Title: Excess volumes, deviation in viscosities and compressibilities of binary mixtures consisting of morpholine, piperidine with methanol and pyridine at different temperatures
Authors: Rao, G V Rama
Sarma, A Viswanatha
Rambabu, C
Keywords: Binary mixtures
Density
Ultrasonic velocity
Viscosity
Issue Date: Nov-2004
Publisher: CSIR
IPC CodeB 01 J 19/10
Abstract: The density, viscosity and ultrasonic velocity in binary liquid mixtures of morpholin, piperidine with methanol and pyridine have been determined at different temperatures from 303.15 to 318.15K over the whole composition range. These data have been utilized to estimate the excess volumes VE, deviation in viscosity (), deviation in adiabatic compressibility (ad) and excess intermolecular free length (LfE) at the above temperatures. The excess values have been found to be useful in estimating the strength of the interactions in the liquid mixtures. Analysis of these parameters indicates that there are intermolecular interactions among components of the binary mixtures that lead to the possible hydrogen bond formation (of the type N… H-O and N…H-N) between unlike molecules.
Page(s): 820-826
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.42(11) [November 2004]

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