Reactions of carbonate radical anion with amino-carboxylate complexes of manganese(II) and iron(III)
The reaction kinetics of eight amino-carboxylate complexes of Fe(III) and Mn(II) with carbonate radical anion were studied using the pulse radiolysis method and UV-vis spectroscopy. Difference spectra revealed the formation of Fe(IV) and Mn(III) after reaction with CO3 •−. Spectral measurements revealed the first step to be the coordination of carbonate to the metal center. All of these led to the conclusion that the role of coordinated carbonate is essential to the electron transfer process by carbonate radical anion.
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Document Type: Research Article
Affiliations: 1: Chemistry Department, Nuclear Research Centre Negev, Beer-Sheva, Israel; 2: Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva, Israel;
Publication date: July 3, 2018