Ultrasonic Studies of Some Biomolecules in Aqueous Guanidine Hydrochloride Solutions at 298.15 K. Issue 3 (2011)

• Record Type: Journal Article
• Authors: Palani, R.; Geetha, A.; Poornima, S. V. S. L.
• Is Part Of: E-Journal of Chemistry. Volume 8:Issue 3(2011)
• Page Start: 1146
• Page End: 1151
• Publication Date: 2011
• Subjects: Ultrasonic velocity -- Hydration number -- Adiabatic compressibility -- Apparent molal compressibility -- Apparent molal volume
• DOI: 10.1155/2011/856284
• Languages: English
• ISSNs: 0973-4945

Abstract

Abstract : Ultrasonic velocity ( U ), viscocity (η) and density (ρ) of L - ascorbic acid, dextrose and sucrose in aqueous guanidine hydrochloride (0.3 m) have been measured at 298.15 K. The derived acoustical parameters namely adiabatic compressibility (β), apparent molal compressibility (ΨK ) apparent molal volume (ΨV ) limiting apparent molal compressibility (Ψ 0 K ) limiting apparent molal volume (Ψ 0 V ) and their constants (SK, Sv ) and viscosity B - coefficient and hydration number ( nH ) have been computed from the experimental data. The variation of these parameters with respect to the molality of solutes have been explained on the basis of solute-solvent interaction and structure making tendency of the solutes in solvents.