Potentiometric and Thermodynamic Studies of Binary and Ternary Transition Metal ( II ) Complexes of Imidazole-4-acetic Acid and Some Bio-relevant Ligands

@inproceedings{Aljahdali2013PotentiometricAT,
  title={Potentiometric and Thermodynamic Studies of Binary and Ternary Transition Metal ( II ) Complexes of Imidazole-4-acetic Acid and Some Bio-relevant Ligands},
  author={Mohammed H. Aljahdali and Ahmed A. El-Sherif and Mohamed Mounir Shoukry and Seham E. Mohamed},
  year={2013}
}
Proton–ligand association constants of imidazole-4-acetic acid (IMA) were determined potentiometrically in aqueous solution at different temperatures in the range 15–35 C. The stepwise stability constants of IMA with some selected bivalent transition metal ions were also determined in 0.1 mol dm NaNO3. The stability of the complexes follows the trend Cu [ Ni [ Co [ Mn, which is in agreement with the Irving– Williams order of the metal ions. The thermodynamic parameters for Cu(II)–IMA complex… CONTINUE READING
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