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

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.