Abstract
The physical properties that has been investigated are, density (ρ),viscosity (η), and ultrasonic velocity (U) of L-valine, L- leucine and L-glutamine in aqueous n-propanol solution (0%-30%) in steps of 10% at 308.15K have been measured. The derived acoustical parameters namely adiabatic compressibility (β), apparent molal compressibility (ϕK), apparent molal volume (ϕV), limiting apparent molal compressibility(ϕ°K), limiting apparent molal volume(ϕ°V) and their constants (sk, sv), transfer adiabatic compressibility (Δϕ°K), transfer volume(Δϕ°V) , and viscosity B-coefficient are calculated using the experimental data. The change that has been observed in the parameter with respect to molality of the solute has been interpreted in terms of ion-ion and ion- solvent interactions.
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