Effect of Ionic Strength on Stability Constant of Chelates of Azoles in 70% DMF-Water System
Department of Chemistry, Government Vidarbha Institute of Science and Humanities, Amravati (India).
DOI : http://dx.doi.org/10.13005/msri/060133
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The stability constants of Cu (II), La (III) metal ions with substituted azoles has been studied by pH-metric technique at 0.1 M (KNO3) ionic strength at 27 ± 0.10C in aqueous medium. Also the effect of ionic strength on stability constants of chelates of azoles in 70% DMF-Water system with pH-metric technique has been studied. The data obtained was used to study the correct mechanism of complexation, to determine thermodynamic properties and to study proton-ligand and metal-ligand stability constants.
KEYWORDS:Ionic strength; stability constants; chelates; azoles
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685 Accepted on: 29 Apr 2009
