期刊
PHYSICS AND CHEMISTRY OF LIQUIDS
卷 57, 期 2, 页码 184-203出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00319104.2018.1437918
关键词
Apparent molar volume; transfer properties; viscosity B-coefficient; activation parameters; molecular interactions
In this work, density rho, speed of sound u and viscosity eta, were measured for L-arginine in aqueous ketorolac tromethamine solutions at various temperatures (293.15, 298.15, 303.15, 308.15 and 313.15 K) and at atmospheric pressure. Apparent molar volume V-phi, limiting apparent molar volume V degrees(phi), limiting apparent molar volume of transfer V degrees(phi,tr), limiting molar expansivity E degrees(phi), Hepler's constant and hydration number n(H) were obtained using density data. Apparent molar isentropic compression K-phi,K-S, limiting apparent molar isentropic compression K degrees(phi,S), limiting apparent molar isentropic compression of transfer K degrees(phi,S,tr) and hydration number n(H) were obtained using speed of sound data. Jones-Dole coefficient-B B, viscosity B-coefficients of transfer B-tr, variation of B with temperature (), free energy of activation of viscous flow per mole of solvent Delta mu degrees(#)(2) and per mole of solute Delta mu degrees(#)(1) were obtained from viscosity data. The obtained results are discussed in terms of solute-solvent interactions in these systems.
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