Study of Thermodynamic Properties of l-Serine and l-Threonine in Aqueous Solutions of 1-(2-Carboxyethyl)-3-methylimidazolium Chloride [HOOCEMIM][Cl]

Abstract The stability of amino acids in solutions containing electrolytes and the effect ambient pH on their biological activity is an important research area. In this work, volumetric transport properties ionic liquid (IL) aqueous solution with special performance 1-(2-carboxyethyl)-3-methylimidazolium chloride ([HOOCEMIM][Cl]) were studied. selected IL acts as electrolyte allows study systems at acidic pH. density, speed sound viscosity binary ternary structure proteins, namely l -serine -threonine within molality range (0.05, 0.07 0.09 mol·kg −1 ) measured 298.15 K. From these quantities, apparent molar volume, limiting isentropic compression, transfer standard volumes for from water to B -coefficients calculated using equations Redlich–Meyer Jones–Dole. Close examination literature indicates that there no data + H 2 O 308.15 318.15 way activity, osmotic coefficient vapor pressure interaction parameters Wilson, NRTL, NRF-NRTL UNIQUAC models, values calculated.