Electroreduction of Bi(III) Ions at a Cyclically Renewable Liquid Silver Amalgam Film Electrode in the Presence of Methionine

Autor:	Agnieszka Nosal-Wiercińska, Marlena Martyna, Valentin Mirčeski, Sławomira Skrzypek
Jazyk:	angličtina
Rok vydání:	2021
Předmět:	cyclically renewable liquid silver amalgam film electrode (R–AgLAFE) electrochemistry electroreduction of Bi(III) active complexes catalytic activity Organic chemistry QD241-441
Zdroj:	Molecules, Vol 26, Iss 13, p 3972 (2021)
Druh dokumentu:	article
ISSN:	1420-3049
DOI:	10.3390/molecules26133972
Popis:	The catalytic influence of methionine (Mt) on the electroreduction of Bi(III) ions on the novel, cyclically renewable liquid silver amalgam film electrode (R–AgLAFE) in a non-complexing electrolyte solution was examined. The presence of methionine leads to a multistep reaction mechanism, where the transfer of the first electron is the rate limiting step, which is the subject of catalytic augmentation. The catalytic activity of methionine is a consequence of its ability to remove water molecules from the bismuth ion coordination sphere, as well as to form active complexes on the electrode surface, facilitating the electron transfer process.
Databáze:	Directory of Open Access Journals
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