
TY  - JOUR
A1  - Childs, CW 
A1  - Platford, RF 
T1  - Excess free energies of mixing at temperatures below 25&#176;. Isopiestic measurements on the systems H<sub>2</sub>O-NaCl-Na<sub>2</sub>SO<sub>4</sub> and H<sub>2</sub>O-NaCl-MgSO<sub>4</sub>
JF  - Australian Journal of Chemistry
JO  - Aust. J. Chem.
Y1  - 1971
VL  - 24
IS  - 12
SP  - 2487
EP  - 2491
KW  - 
UR  - https://doi.org/10.1071/CH9712487 
N2  - Isopiestic vapour pressure measurements have been made on the systems H2O-NaCl-Na2SO4 and H2O-NaCl-MgSO4 at 15° and 0°. Excess free energies of mixing the aqueous salts hare been calculated for various ionic strengths, and the results have been compared with those previously obtained at 25°.     Within experimental uncertainty the excess free energies of mixing of aqueous NaCl with aqueous Na2SO4 are the same at 0°, 15°, and 25°. However, the excess free energy of mixing aqueous NaCl with aqueous MgSO4 shows differences which may be just larger than experimental uncertainty over the same temperature range. 
ER  -

