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Ultrasonic Studies of Amino Acids in Aqueous Sucrose Solution at Different Temperatures

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Author(s): R. Palani | S. Balakrishnan | G. Arumugam

Journal: Journal of Physical Science
ISSN 1675-3402

Volume: 22;
Issue: 1;
Start page: 131;
Date: 2011;
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Keywords: ultrasonic velocity | adiabatic compressibility | apparent molal compressibility | hydration number | apparent molal volume

ABSTRACT
The density (ρ), viscosity () and ultrasonic velocity (U) were measured for L-histidine, L-arginine and L-lysine in aqueous sucrose (0.5 M) solution at 298, 303 and 308 K. Using the experimental values, the adiabatic compressibility (β), hydration number (nH), apparent molal compressibility (K), apparent molal volume (V), limitingapparent molal compressibility (K0 ), limiting apparent molal volume (V0 ), theassociated constants (SK, SV) and the viscosity B coefficient of the Jones-Dole equation were calculated. These parameters were used to study the ion-solvent interaction present in each solution.
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