Journal of Pure and Applied Ultrasonics

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Ultrasonic Study of Binary Mixtures of Insecticides in Hexane at Different Temperatures


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1 Department of Physics, SVUPG Centre, Kavali-524201, India
 

Ultrasonic velocity, density and viscosity have been measured experimentally in solutions of fenvalerate and cypermethrin in the solvent hexane at four temperatures 30, 35, 40 and 50°C. Various acoustical and other related parameters like adiabatic compressibility, internal pressure, apparent molar compressibility and volume and solvation numbers have been computed and discussed in the light of molecular interactions-solute-solute and solute-solvent interactions in the solutions. In both the systems, solute-solvent interactions appear to be dominant.
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  • Ultrasonic Study of Binary Mixtures of Insecticides in Hexane at Different Temperatures

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Authors

P. Subramanyam Naidu
Department of Physics, SVUPG Centre, Kavali-524201, India
K. Ravindra Prasad
Department of Physics, SVUPG Centre, Kavali-524201, India

Abstract


Ultrasonic velocity, density and viscosity have been measured experimentally in solutions of fenvalerate and cypermethrin in the solvent hexane at four temperatures 30, 35, 40 and 50°C. Various acoustical and other related parameters like adiabatic compressibility, internal pressure, apparent molar compressibility and volume and solvation numbers have been computed and discussed in the light of molecular interactions-solute-solute and solute-solvent interactions in the solutions. In both the systems, solute-solvent interactions appear to be dominant.