Open AccessVolumetric and Acoustic Properties of D(+) Glucosamine·HCl and L-Lysine·HCl in Aqueous Solutions at Different Temperatures
Author(s) -
Jessie M. Moses,
Dinesh W. Deshmukh,
Vijay M. Tangde,
Alka S. Dhondge,
L. J. Paliwal,
Sudhakar S. Dhondge
Publication year - 2021
Publication title -
asian journal of chemistry/asian journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.145
H-Index - 34
eISSN - 0975-427X
pISSN - 0970-7077
DOI - 10.14233/ajchem.2021.22997
Subject(s) - chemistry , isentropic process , speed of sound , molar volume , aqueous solution , thermodynamics , molar , apparent molar property , solvent , heat capacity , thermal expansion , volume (thermodynamics) , atmospheric temperature range , partial molar property , organic chemistry , medicine , physics , dentistry
In present work, density and speed of sound of aqueous binary mixtures of biologically important amino acid derivatives namely D(+)glucosamine·HCl and L-lysine·HCl have been measured at three different temperatures i.e. (278.15, 288.15 and 298.15) K and in theconcentration range of 0.0-0.2 mol kg-1. Using density and speed of sound data, different thermodynamic and acoustic parameters likeapparent molar volume (Vφ) and apparent molar isentropic compression (Kφ) of solute have been computed at different temperatures.Speed of sound data have also been used to calculate hydration number (nH) of solute. The temperature dependence of the limitingapparent molar volume of solute has been used to calculate thermal expansion coefficient (α*), apparent molar expansivity (E0φ) of soluteand Hepler’s constant (∂2V0φ/∂T2). The final outcome of the study has been discussed in terms of various interactions among solute andsolvent molecules.