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Ravichandran, S.
- Ultrasonic Study and Allied Properties of Cholesterol in Chloroform Solutions at 294K
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Authors
Affiliations
1 Department of Physics, Sathyabama University, Chennai-115, IN
2 Department of Physics, Thiagarajar College, Madurai-15, IN
1 Department of Physics, Sathyabama University, Chennai-115, IN
2 Department of Physics, Thiagarajar College, Madurai-15, IN
Source
Journal of Pure and Applied Ultrasonics, Vol 28, No 2-4 (2006), Pagination: 40-45Abstract
The Ultrasonic velocities, Density and viscosity of cholesterol in chloroform solutions for varying concentrations have been measured at 294 K. From these data, Isentropic compressibility (Ks), Intermolecular free length (Lf), Molar volume (V), Molar sound velocity(R), Molar compressibility (W), Relaxation time (t), Relative association (RA), Free volume (Vf) and Degree of molecular interactions (α) have been calculated. These parameters are used, to explain the nature of interaction between the chloroform and cholesterol molecules of the mixtures. The variation of ultrasonic velocity shows a dip at a concentration of 9%. It is observed that the complex formation between unlike molecules occurs at the concentration of 8% and 9%. Sound velocities were evaluated based on Free Length theory and Nomoto's relation and gives good agreement with the experimental values for the system studied. Non-ideality in the liquid mixtures has been discussed in terms of U2exp/U2imix where Uexpand Uimix are the experimental and ideal mixture velocities respectively.- Ultrasonic Study of Mixed Salt Solutions of Ammonium Sulphate and Ammonium Chloride
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Authors
Affiliations
1 Department of Physics, Thiayagarajar College of Engineering, Madurai-15, IN
2 Department of Physics, Mahendra Engineering College, Mallasamudram, Namakkal District, Tamil Nadu, IN
1 Department of Physics, Thiayagarajar College of Engineering, Madurai-15, IN
2 Department of Physics, Mahendra Engineering College, Mallasamudram, Namakkal District, Tamil Nadu, IN