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Density, ultrasonic velocity and viscosity of galactose in an aqueous medium at four temperatures were measured. The partial molar volume( Øv 0), partial molar compressibility (Øk 0) and the viscosity B- Coefficient were calculated from experimental data. Values of Øv 0 and Øk 0 are to understand solute –solvent interaction. Magnitudes of B/Øv 0 were calculated at four temperatures. There were 4.750, 4.343, 4.029 and 3.842 at 25, 30, 35 and 400c respectively. Øv 0 increases while Øk 0 and viscosity coefficient decreases with temperature. The other parameter liked Øv 0/δt, δØ2 v/δt2, dB/dT, inter molecular free length (Lf), specific acoustic impendence (Z) and relative association were calculated. The influence of galactose on water structure is revealed through these parameters.
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Author(s): A G Shankarwar V A Shelke and S G Shankarwar