2 0 2012 smi bad 0 journal Original Smirnov, V. I.[Valeriy I.] Badelin, V. G.[Valentin G.] Thermochim. Acta 2012 2012-04-03 Enthalpies of solution of a-alanyl-a-alanine in aqueous solution of amides at 298.15 K Peptides Enthalpies of solution and transfer Mixtures of water with organic solvents. 10.1016/j.tca.2012.02.028 536 74-6 1 .beta.-alanine, N-.beta.-alanyl- C6H12N2O3 1 Commercial source 1 98 2 Stated by supplier 2 Dried in a desiccator Dried by vacuum heating 2 N,N-dimethylformamide C3H7NO 1 Commercial source 1 99 2 Stated by supplier 2 Steam distillation 2 .03 1 Karl Fischer titration 3 formimidic acid CH3NO 1 Commercial source 1 99 2 Stated by supplier 2 Steam distillation 2 .03 1 Karl Fischer titration 4 NMF C2H5NO 1 Commercial source 1 99 2 Stated by supplier 2 Fractional distillation Molecular sieve treatment 2 .03 1 Karl Fischer titration 5 acetamide, N,N-dimethyl- C4H9NO 1 Commercial source 1 99 2 Stated by supplier 2 Fractional distillation Molecular sieve treatment 2 .03 1 Karl Fischer titration 6 water H2O 1 Commercial source 1 99.9 3 Estimated by the compiler 3 1 1 1 6 1 Principal objective of the work KMR XXX 1/5/2012 1 Molar enthalpy of solution, kJ/mol Isoperibol calorimetry Liquid Direct value, X Crystal 3 6 1 Author Liquid Molality, mol/kg 1 Liquid 3 6 .01 1 Author .005 Temperature, K 298.15 5 Author .01 Pressure, kPa 101 3 1 Solvent: Molality, mol/kg 3 Liquid 3 6 1 1.242 4 1 5.11 3 1 .02 1 2.345 4 1 4.78 3 1 .02 1 3.748 4 1 4.59 3 1 .02 1 5.079 4 1 4.24 3 1 .01 1 7.521 4 1 3.74 3 1 .01 1 8.477 4 1 3.51 3 1 .01 1 10.867 5 1 3.36 3 1 .01 1 12.756 5 1 3.21 3 1 .01 1 17.652 5 1 3.35 3 1 .01 1 25.445 5 1 3.91 3 1 .02 1 35.557 5 1 3.91 3 1 .02 4 1 1 1 6 1 Principal objective of the work KMR XXX 1/5/2012 1 Molar enthalpy of solution, kJ/mol Isoperibol calorimetry Liquid Direct value, X Crystal 4 6 1 Author Liquid Molality, mol/kg 1 Liquid 4 6 .01 1 Author .005 Temperature, K 298.15 5 Author .01 Pressure, kPa 101 3 1 Solvent: Molality, mol/kg 4 Liquid 4 6 1 .721 3 1 6.23 3 1 .02 1 1.536 4 1 6.63 3 1 .02 1 2.415 4 1 6.86 3 1 .01 1 3.396 4 1 7.35 3 1 .01 1 4.457 4 1 7.69 3 1 .02 1 5.599 4 1 8.16 3 1 .01 1 6.914 4 1 8.63 3 1 .01 1 8.409 4 1 9.11 3 1 .01 1 10.087 5 1 9.2 3 1 .01 1 12.006 5 1 9.24 3 1 .01 1 16.781 5 1 8.94 3 1 .01 1 34.557 5 1 7.98 3 1 .02 2 1 1 1 6 1 Principal objective of the work KMR XXX 1/5/2012 1 Molar enthalpy of solution, kJ/mol Isoperibol calorimetry Liquid Direct value, X Crystal 2 6 1 Author Liquid Molality, mol/kg 1 Liquid 2 6 .01 1 Author .005 Temperature, K 298.15 5 Author .01 Pressure, kPa 101 3 1 Solvent: Molality, mol/kg 2 Liquid 2 6 1 .717 3 1 6.38 3 1 .02 1 1.193 4 1 6.84 3 1 .02 1 2.102 4 1 7.51 3 1 .02 1 2.598 4 1 7.94 3 1 .01 1 3.528 4 1 8.57 3 1 .01 1 4.372 4 1 9.16 3 1 .01 1 5.586 4 1 10.09 4 1 .01 1 6.503 4 1 10.63 4 1 .01 1 9.282 4 1 11.76 4 1 .01 1 12.996 5 1 13.22 4 1 .01 1 18.183 5 1 14.03 4 1 .01 1 25.926 5 1 15.07 4 1 .02 5 1 1 1 6 1 Principal objective of the work KMR XXX 1/5/2012 1 Molar enthalpy of solution, kJ/mol Isoperibol calorimetry Liquid Direct value, X Crystal 5 6 1 Author Liquid Molality, mol/kg 1 Liquid 5 6 .01 1 Author .005 Temperature, K 298.15 5 Author .01 Pressure, kPa 101 3 1 Solvent: Molality, mol/kg 5 Liquid 5 6 1 .476 3 1 6.28 3 1 .02 1 .978 3 1 6.66 3 1 .02 1 1.553 4 1 7.08 3 1 .01 1 2.136 4 1 7.61 3 1 .01 1 2.852 4 1 8.24 3 1 .01 1 3.565 4 1 8.98 3 1 .01 1 4.439 4 1 9.64 3 1 .01 1 5.368 4 1 10.66 4 1 .01 1 6.472 4 1 11.32 4 1 .01 1 7.714 4 1 12.11 4 1 .02 1 10.759 5 1 13.93 4 1 .02 1 17.797 5 1 16.13 4 1 .03