Excess enthalpies of aqueous ternary solutions of urea and polyols at 25�C

1982 ◽  
Vol 11 (10) ◽  
pp. 687-698 ◽  
Author(s):  
Guido Barone ◽  
Vittorio Elia ◽  
Eugenio Rizzo
1979 ◽  
Vol 76 ◽  
pp. 381-382 ◽  
Author(s):  
Inmaculada Velasco ◽  
Santos Otín ◽  
Celso Gutiérrez-Losa

1994 ◽  
Vol 26 (12) ◽  
pp. 1275-1286 ◽  
Author(s):  
J.T. Sipowska ◽  
L.R. Lemon ◽  
J.B. Ott ◽  
P.R. Brown ◽  
B.G. Marchant

1973 ◽  
Vol 28 (9-10) ◽  
pp. 533-554 ◽  
Author(s):  
Lothar Rafflenbeul ◽  
Wa-Ming Pang ◽  
Hansjürgen Schönert ◽  
Klaus Haberle

Abstract Isopiestic vapor pressure measurements and calorimetric determination of the heat of dilution have been performed and evaluated with respect to enthalpy, entropy and free enthalpy in the ternary solutions water+ glycin+ urea and water+ alanin + urea. The free enthalpy of transfer for the process: Amino acid from water to water+ urea, which can be derived from these measurements, does not agree with the value calculated from solubility measurements. The reason for this discrepancy and the values of entropy and enthalpy in terms of hydrophobic interaction are discussed. Supplementary measurements of the proton magnetic resonance in these solutions are included.


1979 ◽  
Vol 260O (1) ◽  
Author(s):  
B. S. Mahl ◽  
J. R. Khurma ◽  
M. S. Dhillon ◽  
Z. S. Kooner

1995 ◽  
Vol 108 (1-2) ◽  
pp. 153-158 ◽  
Author(s):  
J.A.R. Renuncio ◽  
A. Cabañas ◽  
B. Coto ◽  
C. Menduiña ◽  
C. Pando

2004 ◽  
Vol 205 (10) ◽  
pp. 1379-1384 ◽  
Author(s):  
Ignacio González ◽  
Mónica Vecino ◽  
M. Eugenia Muñoz ◽  
Anton Santamaría ◽  
J. Adolfo Pomposo

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