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IJPAP Vol.42(03) [March 2004] >


Title: Ultrasonic velocity and allied parameters of symmetrical tetraalkyl ammonium bromides in aqueous ethanol at 298.15 K
Authors: Nikam, P S
Hasan, Mehdi
Pawar, T B
Sawant, A B
Keywords: Ultrasonic velocities
symmetrical tetraalkyl ammonium bromides
apparent molar compressibility
Issue Date: Mar-2004
Publisher: CSIR
IPC CodeG 01D
Abstract: Ultrasonic velocities in solutions of tetraalkyl ammonium bromide, R4NBr (R = CH3 through n-C4H9), NaBPh4 and NaBr in ethanol-water mixtures were measured at 298.15 K by using a single-crystal interferometer at a frequency of 2 MHz. The ultrasonic velocity, density and concentration were used to calculate adiabatic compressibility, apparent molar compressibility, intermolecular free length, specific acoustic impedance, relative association and solvation number. Bachem and Gucker's laws have been found to be valid.
Page(s): 172-178
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.42(03) [March 2004]

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