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  • Chem Sci Trans., 2013, 2(1),  pp 35-40  

    DOI:10.7598/cst2013.262

    Research Article

    Physicochemical Studies on Some Disaccharides (Sucrose, Lactose, Maltose) in Aqueous Media at 298.15 K

  • S. NITHIYANANTHAM and L. PALANIAPPAN
  • School of Physical Sciences and Nano Technology (Ultrasonics/Bio-Physics Divisions), SRM University, Kattankulathur, Tamilnadu - 603 203, India
    Department of Physics, Annamalai University, Annamalai Nagar, Chidambaram, Tamilnadu - 602 008, India
  • Abstract

    The ultrasonic velocity (U), density (ρ) and viscosity (η) have been measured in the binary systems of some disaccharides (Sucrose, lactose and maltose) in aqueous media at 298.15 K. The acoustical parameters such as adiabatic compressibility (β), free length (Lf), free volume (Vf), internal pressure (πi), acoustical impedance (Z), relative association (Ra), Rao’s constant ( R ) and Wada’s constant (W) were calculated. The results are interpreted in terms of molecular interaction and structure variation between the components of the mixtures.

    Keywords

    Acoustical parameter, Thermodynamical parameter, Molecular interaction, Disaccharides, Ultrasonics

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