Composition and stability of copper(II), nickel(II), and cobalt(II) complexes with mono- and bis(2-carboxy)-2-pycolylamine |
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Authors: | O I Tissen L K Neudachina A V Pestov |
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Abstract: | Complexation of N-(2-pyridyl)methyl-3-aminopropionic (HL1) and N-(2-pyridyl)methyliminodipropionic (H2L2) acids with copper(II), nickel(II), and cobalt(II) ions is studied. The composition of complexes is determined using the Starik–Barbanel relative yield method. The acid dissociation constants of HL1 and H2L2 are determined potentiometrically; the stability constants of HL1 and H2L2 complexes with metal ions are calculated. |
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