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has been cited by the following article:

• TITLE: Synthesis and Determination of Stability Constants of a New Bis-1,2,4-triazole Ligand for Complexation with Zinc(II), Copper(II) and Nickel(II) in Acetonitrile

  AUTHORS: Reza Emamali Sabzi, Abbas Nikoo, Yaser Nikzad, Morteza Bahram, Karim Akbari, Naser Samadi

  KEYWORDS: Zn(II), Cu(II) and Ni(II) Complexes; Triazole Ligand; Spectrophotometry

  JOURNAL NAME: American Journal of Analytical Chemistry, Vol.3 No.6, June 21, 2012

  ABSTRACT: In this work, the synthesis and complexation properties of a new compound, 1,3-bis[5-(2-hydroxyphenyl)-4-phenyl- 1,2,4-triazole-3-yl-thio]propane (BTP), towards certain transition metal ions, (M(II) where M = Zn, Cu, Ni) in acetonitrile is reported. A hard-modeling strategy was applied to UV-Visible spectroscopy data obtained from monitoring the reaction between BTP and the selected metal ions to determine the concentration profiles of each species and the corresponding stability constant(s) of the complex(es). The stability constants of complexes are always defined in terms of their free metal, free ligand and complexed forms. These constants are influenced by parameters such as the type of metal, ligand, counterion or solvent. In this study, the formation constants of the complexes were determined for the synthesized ligand with several metallic cations in acetonitrile solvent by UV-Vis spectrophotometry.