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Apparent molar compressibilities (φk) and apparent molar volume (φv) of L-valine, L-leucine andL-phenylalanine in aqueous solution of KNO3 at different concentrations have been determined at the temperature 303.15K using a standard ultrasonic frequency of 2 MHz. The above parameters can be evaluated from precise density, ultrasonic velocity and time flow measurements using a specific gravity bottle, ultrasonic single frequency interferometer and Ostwald type capillary viscometer respectively. With the help of these results various ultrasonic derived parameters such as limiting apparent molar compressibilities (φk o ), limiting apparent molar volumes (φv o ), and their constants (Sk, Sv), viscosity A & B-coefficients and the corresponding transfer parameters (Δφk o , Δφv o and ΔB), have been evaluated. The results have been interpreted in the light of intermolecular interactions between solute and solvent.

ULTRASONIC STUDY OF SOME AMINO ACIDS IN AQUEOUS SALT SOLUTION OF KNO3 AT 303.15K