Complex Formation Reactions of Scandium(III), Yttrium(III) and Lanthanum(III) Complexes with 8-Hydroxyquinoline
Science Journal of Chemistry
Volume 1, Issue 2, June 2013, Pages: 21-25
Received: May 16, 2013; Published: Jun. 20, 2013
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Author
Naciye Türkel, Uludağ University, Faculty of Arts and Sciences, Department of Chemistry, 16059-Bursa, Turkey
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Abstract
This study aims to investigate the nature and types of complexes formed in aqueous solution between 8-Hydroxyquinoline (HQ) and the ions of Sc+3, Y+3, and La+3. Potentiometric titration was used to follow the formation of complexes. The coordination compounds formed were studied through the determination of stability constants of these complexes in aqueous solution at 25,0 ± 0,1ºC and ionic strength of 0,1 M KNO3. The basicity of the ligand was also assessed by the determination of the dissociation constants of the ligand. All of the constants were determined by computer refinement of pH-volume data using the BEST computer program. Distribution diagrams for the species were drawn showing the concentrations of individual species as a function of pH by the SPE software program.
Keywords
Stability constants, 8-Hydroxyquinoline, Sc(III), Y(III), La(III)
To cite this article
Naciye Türkel, Complex Formation Reactions of Scandium(III), Yttrium(III) and Lanthanum(III) Complexes with 8-Hydroxyquinoline, Science Journal of Chemistry. Vol. 1, No. 2, 2013, pp. 21-25. doi: 10.11648/j.sjc.20130102.12
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