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Electrochemical Approach to Monitoring Metal Exchange Reaction of Acetylacetonate Complexes With Cadmium, Copper and Zinc Ions

Electrochemical Approach to Monitoring Metal Exchange Reaction of Acetylacetonate Complexes With Cadmium, Copper and Zinc Ions

R Fujiyoshi, M Katayama

Talanta. 1995 Dec;42(12):1931-5.

PMID: 18966434

Abstract:

Metal exchange reactions of acetylacetonate complexes with Cd(II), Cu(II) and Zn(II) ions were investigated by using cadmium and copper ion selective electrodes. Changes in the electrode potential and pH of the solutions were monitored upon adding the pertinent metal Zn(II) of the acetylacetonate (AA) complexes. In the reverse system in which a stable Cu-AA complex exists in the solution prior to adding a secondary metal ion (Cd(II) or Zn(II)), no Cu(II) was replaced by either ion. In the systems containing Cd(II) and Zn(II) as a complexed form with AA or as free ions, the exchange reactions were not explained by considering the equilibrium stability constants of the Cd-AA and Zn-AA complexes.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP14689453	Cadmium acetylacetonate		14689-45-3	Price

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