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IJPAP Vol.48(02) [February 2010] >

Title: Thermodynamic properties of electrolytes in aqueous solution of glycine at different temperatures
Authors: Kanhekar, S R
Pawar, Pravina
Bichile, Govind K
Keywords: Thermodynamic properties
Ultrasonic velocity
Acoustic impedance
Adiabatic compressibility
Issue Date: Feb-2010
Publisher: CSIR
Abstract: Ultrasonic velocity, density and viscosity have been measured for NaCl and MgCl2 in aqueous glycine solution at 298.15, 303.15 and 308.15K. The thermodynamic parameters such as adiabatic compressibility, acoustic impedance, intermolecular free length and relative association have been obtained from the experimental data for all the mixtures, with a view to investigate the exact nature of the molecular interaction. Adiabatic compressibility and intermolecular free length decrease with increase in concentration and temperature. Acoustic impedance and relative association are almost constant with increase in temperature and gradually increase with concentration of solutes. These parameters have been further used to interpret the hydrophilic part of the solute and molecular interactions in the mixtures.
Page(s): 95-99
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.48(02) [February 2010]

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