The ternary copper(II)-malonate-glycinate system has been investigated by potentiometric measurements using a glass electrode, at 37° and at different ionic strengths (0.01I1.0 mol dm–3), with KNO3 as background salt. Complex formation between K+ and malonate has also been taken into account, and the parameters for the dependence on ionic strength have been obtained for each formation constant. A general equation, valid for all the complexes formed in this system, for the dependence, log K=f(I), is also proposed. The stabilization parameters of the ternary complex are also analyzed as a function of the ionic strength.

Ionic Strength Dependence of Formation Constants. Part II: Potentiometric Study of the Copper(II)-Malonate-Glycinate System in the Range 0.01 < I < 1.0.

SAMMARTANO, Silvio
1982-01-01

Abstract

The ternary copper(II)-malonate-glycinate system has been investigated by potentiometric measurements using a glass electrode, at 37° and at different ionic strengths (0.01I1.0 mol dm–3), with KNO3 as background salt. Complex formation between K+ and malonate has also been taken into account, and the parameters for the dependence on ionic strength have been obtained for each formation constant. A general equation, valid for all the complexes formed in this system, for the dependence, log K=f(I), is also proposed. The stabilization parameters of the ternary complex are also analyzed as a function of the ionic strength.
1982
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/2272221
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