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 Experimental study of the phase equilibria in the systems NaCl—NaF—Na3FSO4 and NaCl—Na2SO4 —Na3FSO4

J. Gabčová and I. Koštenská

Department of Chemical Technology of Inorganic Substances, Slovak Technical University, CS-812 37Bratislava

 

Abstract:  Phase equilibria in the ternary systems NaCl—NaF—Na3FSO4 and NaCl—Na2SO4 —Na3FSO4  have been investigated using the thermal analysis method. Both systems were found to be simple eutectic systems, the coordi­nates of the ternary eutectic points being: system NaCl—NaF—Na3FSO4: 62.0 mole % NaCl, 11.4 mole % NaF, 26.6 mole % Na3FSO4, T(E) = 898K ; system NaCl—Na2SO4 —Na3FSO4:54.6 mole % NaCl, 31.8 mole % Na2SO4, 13.6 mole % Na3FSO4, T(E) = 869K.

Full paper in Portable Document Format: 384a449.pdf

 

Chemical Papers 38 (4) 449–454 (1984)

Saturday, August 08, 2020

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