Influence of complexation on the composition of equilibrium phases in the system of Ce2(SO4)3-La2(SO4)3

Maria Milanova 1 , Dimitar Todorovsky 1 , Christo Balarew 2 , Natalia Minkova 1 , and Katya Ivanova 1
  • 1 Faculty of Chemistry, University of Sofia, Sofia, 1164, Bulgaria
  • 2 Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia, 1113, Bulgaria


The cocrystallization of Ce2(SO4)3 and La2(SO4)3 is studied in aqueous and H2SO4 (150 g/dm3) solutions at 25 °C and 64 °C. The effect of the formation of inner sphere sulfate complexes of the type LnSO 4+ in determining the composition of the equilibrium phases is revealed.

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