Viscosity B-Coefficients and Thermodynamics of Viscous Flow of l-arginine /l-histidine in Aqueous-Gentamicin Sulphate at Temperatures from 298.15 to 318.15 K

Ankita and Anil Kumar Nain
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Anil Kumar Nain: Department of Chemistry, Dyal Singh College, University of Delhi, India

Organic & Medicinal Chemistry International Journal, 2020, vol. 10, issue 1, 14-22

Abstract: The viscosities, η of l-arginine and l-histidine in aqueous-gentamicin sulphate (1% and 2% gentamicin sulphate in water) solvents have been measured at temperatures from 293.15 K to 318.15 K and at pressure, p= 101 kPa. The η data have been used to calculate Falkenhagen coefficient, A, Jones-Dole coefficient, B, transfer values of B-coefficients,trB, free energy of activation of viscous flow per mole of solvent, #1μ°Δand solute,#2μ°Δ, enthalpies, #H°Δ and entropies, #S°Δof activation of viscous flow per mole of solute. The results have been interpreted in terms of prevailing solute-solute and solute-solvent interactions. These amino acids act as structure maker in aqueous-gentamicin sulphate solvents.

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Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:adp:jomcij:v:10:y:2020:i:1:p:14-22

DOI: 10.19080/OMCIJ.2020.10.555778

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