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IJC-A Vol.46A [2007] >
IJC-A Vol.46A(02) [February 2007] >


Title: Investigation of molecular interactions in ternary liquid mixtures using ultrasonic velocity
Authors: Palani, R
Meenakshi, K
Issue Date: Feb-2007
Publisher: CSIR
IPC CodeInt. Cl.⁸ G01N11/00
Abstract: Ultrasonic velocity (U), density (ρ) and viscosity (η) measurement have been carried out in three ternary liquid mixtures of benzene, toluene and CCl₄ with ethane 1,2 diol in a polar component of acetone at 303 K. The experimental data have been used to calculate adiabatic compressibility, free length, free volume, internal pressure, Gibb’s energy and available volume. The excess values of the above parameters and the ‘d’ parameter Grunberg and Nission equation have also been evaluated and discussed in the light of molecular interaction in the mixtures. An attempt has been made to evaluate the experimental ultrasonic velocity with that predicted on the basis of Nomotos’ Relations (NR), Ideal Mixing Relation (IMR), Free Length Theory (FLT) and Collision Factor Theory (CFT) with a view to compare the merits of the above three ternary liquid mixtures. The modulus of percentage deviation in ultrasonic velocity and the Chi-square test (χ²) for goodness of fit is applied to check the validity of the theories.
Page(s): 252-257
ISSN: 0376-4710
Source:IJC-A Vol.46A(02) [February 2007]

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