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The enthalpies of l-phenylalanine dissolution in aqueous methanol, ethanol, 1-propanol and 2-propanol have been determined by calorimetry at 298.15K and alcohol mole fractions up to x 2 ∼0.4. The standard enthalpies of solution Δ sol H° and transfer Δ tr H° from water to the mixed solvent as well as the enthalpy coefficients of l-phenylalanine–alcohol pair-wise interactions...
The enthalpies of solution of l-threonine in the (water+methanol), (water+ethanol), (water+n-propanol), and (water+i-propanol) mixtures, with an alcohol content up to 0.4mol fractions, have been measured calorimetrically at T=298.15K. The standard enthalpies of solution and transfer of l-threonine from water to an aqueous alcohol have been calculated. The effect of the structure properties of the...
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