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Volumetric and acoustic studies of glycine in aqueous solutions of sulphathiazole drug at T=(288.15 to 308.15) K

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Title Volumetric and acoustic studies of glycine in aqueous solutions of sulphathiazole drug at T=(288.15 to 308.15) K
 
Creator Pal, Amalendu
Soni, Surbhi
 
Subject Glycine
Sulphathiazole
Apparent molar volume
Apparent molar adiabatic compressibility
Solute-solute and solute-solvent interactions
 
Description 1800-1808
The densities (ρ) and speeds of sound (u) for glycine in aqueous solutions of (0.01, 0.02, 0.03, and 0.04) mol·kg-1 sulphathiazole drug have been measured at T = (288.15, 293.15, 298.15, 303.15 and 308.15) K, using vibrating tube digital densimeter and sound analyser Anton–Paar Model DSA - 5000. The apparent molar properties like apparent molar volume (Vφ), apparent molar adiabatic compressibility (Kφ, s0) and the apparent molar volume (Vφ0) and adiabatic compressibility at infinite dilution (Kφ,s 0) of glycine have been determined in water as well as in ternary mixtures containing sulphathiazole drug at different concentrations and at different temperatures from experimental data of densities and speeds of sound under atmospheric pressure. These data were also used to calculate the transfer parameters. Transfer parameters have been explained from the point of view of concentration dependence of solute-solute and solute-solvent interactions. The limiting apparent molar expansibility (E) values for glycine in aqueous solutions of drug have been calculated. The calculated values of thermal expansion coefficient (α2) have small and positive values. These results are explained on the basis of drug-amino acid - water interactions and hydrophobic –hydrophilic interactions.
 
Date 2020-12-03T10:07:52Z
2020-12-03T10:07:52Z
2020-12
 
Type Article
 
Identifier 0975-0975(Online); 0376-4710(Print)
http://nopr.niscair.res.in/handle/123456789/55741
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJC-A Vol.59A(12) [December 2020]