Thermodynamic modeling of quaternary (CaCl2 +  Ca(NO3)2 +  L-alanine +  water) system based on potentiometric measurements at T =  (298.2, 303.2 and 308.2) K: Experimental measurements and thermodynamic modeling Ghalami-Choobar, B.; Mossayyebzadeh-Shalkoohi, P.; Fluid Phase Equilibria 2017, 437, 103-117