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Solubility and phase behaviour of binary systems containing salts based on transitional metals

Research output: Contribution to journalJournal article

Published

  • Małgorzata E. Zakrzewska
  • Ana B. Paninho
  • Marta F. Môlho
  • Ana V. M. Nunes
  • Carlos A. M. Afonso
  • Andreia A. Rosatella
  • Joana M. Lopes
  • Vesna Najdanovic-Visak
Journal publication date08/2013
JournalJournal of Chemical Thermodynamics
Volume63
Number of pages4
Pages123-126
Original languageEnglish

Abstract

Tri(1-ethyl-3-methylimidazolium) gadolinium hexachloride ([emim]3[GdCl6]), tri(1-butyl-3-methylimidazolium) hexagadolinium chloride ([bmim]3[GdCl6]), di(tetramethylammonium) manganese tetrachloride ([TMA]2[MnCl4]) and cholinium tetrachloroferrate ([Chol][FeCl4]) were synthetized and their solubility in water, ethanol, 1-propanol and 1-butanol were determined as a funcion of temperature. Activity coefficients were calculated and their comparison with ideal solutions were discussed. The experimental data were correlated successfully by means of the semi-empirical Grant equation. In addition, melting point depression effect of high pressure carbon dioxide was studied.