Abstract
VISCOSITY AND REFRACTIVE INDEX STUDIES OF AMINO ACID IN MIXED SOLVENT.

Milind E. Chaudhari* and Dr. A. N. Sonar

ABSTRACT

Refractive index ,molar refractivities and molar polarizability constant of amino acid such as DL-tryptophan in solution of sodium benzoate prepared in 30% ethyl alcohol at 303 K ± 0.10C temperature and different concentrations ( 0.01 to 0.09M ).The values of molar refraction (Rm) and molar polarizability (α) constant are found to be decreased with decreasing concentration of solute in solvent. Viscosity coefficient (A, B) evaluate by using john–dole equation. These parameters throw the light on the solute-solvent interaction and solute-solute interaction.

Keywords: Molar refractivities, molar polarizability constant and Viscosity coefficient


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