THERMODYNAMICS OF BENZOATE COMPLEXES OF COBALT(II), NICKEL(II) AND MANGANESE(II) IN AQUEOUS-SOLUTION


BASARAN B., AVSAR E., ERIM F. B., GOCMEN A.

THERMOCHIMICA ACTA, vol.186, no.1, pp.145-151, 1991 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 186 Issue: 1
  • Publication Date: 1991
  • Doi Number: 10.1016/0040-6031(91)87031-q
  • Journal Name: THERMOCHIMICA ACTA
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.145-151
  • Istanbul Technical University Affiliated: Yes

Abstract

The thermodynamic functions for the formation of benzoate complexes of cobalt(II), nickel(II) and manganese(II) have been determined by measuring the pertinent stability constants potentiometrically at temperatures within the range 25-40-degrees-C. From the enthalpy changes evaluated, and the free energy changes calculated from the stability constants, the entropy changes were found. All data refer to a sodium perchlorate medium of ionic strength 1.0 M.