caa a22 4500 445328533 CHVBK 20180317142729.0 cr unu---uuuuu 170323e20110501xx s 000 0 eng 10.1007/s10953-011-9650-1 doi (NATIONALLICENCE)springer-10.1007/s10953-011-9650-1 Isopiestic Determination of the Osmotic and Activity Coefficients of K2HPO4(aq), Including Saturated and Supersaturated Solutions, at T =298.15K [Elektronische Daten] [Daniela Popović, Jelena Miladinović, Milica Todorović, Milorad Zrilić, Joseph Rard] The osmotic coefficients of K2HPO4(aq) have been measured at T=298.15K by the isopiestic vapor pressure method over the range of molalities from 1.3846 mol⋅kg−1 to 13.939 mol⋅kg−1 (oversaturation) with CaCl2(aq) as the reference solution. The molalities and osmotic coefficients of saturated solutions in equilibrium with K2HPO4⋅xH2O(cr) were measured simultaneously by the same method. Available literature osmotic coefficients of K2HPO4(aq) at T=298.15K, and our new experimental data, were combined and modeled using an extended form of Pitzer's equation and the Clegg-Pitzer-Brimblecombe equation based on the mole-fraction-composition scale. These equations were used to calculate the activity coefficients of K2HPO4(aq) at T=298.15K. Springer Science+Business Media, LLC, 2011 Aqueous solutions nationallicence Isopiestic measurements nationallicence K2HPO4 nationallicence Osmotic coefficients nationallicence Activity coefficients nationallicence Solubility nationallicence Popović Daniela Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11 001, Belgrade, Serbia aut Miladinović Jelena Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11 001, Belgrade, Serbia aut Todorović Milica Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11 001, Belgrade, Serbia aut Zrilić Milorad Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11 001, Belgrade, Serbia aut Rard Joseph 4363 Claremont Way, 94550, Livermore, CA, USA aut Journal of Solution Chemistry Springer US; http://www.springer-ny.com 40/5(2011-05-01), 907-920 0095-9782 40:5<907 2011 40 10953 https://doi.org/10.1007/s10953-011-9650-1 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10953-011-9650-1 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Popović Daniela Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11 001, Belgrade, Serbia aut NATIONALLICENCE 700 1- Miladinović Jelena Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11 001, Belgrade, Serbia aut NATIONALLICENCE 700 1- Todorović Milica Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11 001, Belgrade, Serbia aut NATIONALLICENCE 700 1- Zrilić Milorad Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11 001, Belgrade, Serbia aut NATIONALLICENCE 700 1- Rard Joseph 4363 Claremont Way, 94550, Livermore, CA, USA aut NATIONALLICENCE 773 0- Journal of Solution Chemistry Springer US; http://www.springer-ny.com 40/5(2011-05-01), 907-920 0095-9782 40:5<907 2011 40 10953 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer