Physico-chemical studies on some mono and disaccharides in aqueous media at 298.15 K
The present study divulges about the structure-making and breaking behaviour of some mono and disaccharides, viz., glucose, fructose, sucrose and maltose in aqueous N-N dimethylacetamide (DMA) at 298.15 K. The experimental values of density, viscosity and speed of sound are carried out on the ternary mixtures of water + DMA + mono and disaccharides at 298.15 K. The binary solvent mixture (water+ DMA) is prepared at different mass percentages, say at 0%, 10%, 20%, 30% and 40%. The mono and disaccharides under study are added with aqueous binary solvent under different molarities at normal atmospheric pressure. The volumetric, compressibility, partial transfer volume and viscometric studies have been carried out to explore the possible interionic interactions existing in the solution. The present study notices that disaccharides (sucrose, maltose) behave as an effective structure-maker in aqueous solution comparatively with mono saccharides (glucose, fructose).
Monosaccharides; Disaccharides; Partial transfer volume; Adiabatic compressibility
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