Viscosity studies of (L-alanine-, L-proline, L-valine, L-leucine plus aqueous KCl/KNO3) solutions at different temperatures

abstract

Viscosity coefficients of (L-alanine-, L-proline, L-valine, L-leucine + 2.0 M aqueous KCL/KNO3) solutions have been determined as a function of amino acid concentration at different temperatures: (298.15, 303.15, 308.15, 313.15, 318.15, and 323.15) K. The trends of variation of viscosity values with increase in the concentration of L-alanine, L-proline, L-valine, and L-leucine in 2.0 M aqueous KCl and 2.0 M aqueous KNO3 solutions, and temperature have been ascribed to the solute-solvent interactions operative in the solutions. (C) 2008 Elsevier Ltd. All rights reserved.

keywords

ALPHA-AMINO-ACIDS; APPARENT MOLAR VOLUMES; CHLORIDE SOLUTIONS; 298.15 K; REFRACTIVE-INDEX; B-COEFFICIENTS; BEHAVIOR; ACETATE; GLYCINE; WATER

subject category

Thermodynamics; Chemistry

authors

Riyazuddeen; Khan, I

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