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The stability constants of 1:1 complexes of 1,4,7-tris(2-mercaptoethyl)-1,4,7-triazacyclononane (TACN-TM) with trivalent and divalent metal ions have been determined potentiometrically in KCl supporting electrolyte (0.100 M) at 25.0 °C. The log stability constants for the In(III) and Ga(III) chelates are 36.1 and 34.2, respectively, while the values for the complexes with Zn(II) and Cd(II) are 23...
The formation constant of the In(III) complex of the sexadentate ligand N,N -bis(2-mercaptoethyl)ethylenediamine-N,N -diaceticN ,N -bis(2-mercaptoethyl)ethylenediamine-N,N -diacetic acid has been determined by potentiometric measurement of its competition with EDTA. Its stability constant, 10 37.0 , is higher than that of Ga(III) (10 35.6 ) and is...
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