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- Title
ELECTROCHEMICAL IMPEDANCE CHARACTERIZATION OF POLY{N,N'-ETHYLENEBIS[N-[(3-(PYRROLE-1-YL)PROPYL) CARBAMOYL)METHYL]-GLYCINE]} MODIFIED ELECTRODES.
- Authors
Buică, George-Octavian; Maior, Ioana; Ungureanu, Eleonora-Mihaela; Vaireanu, Dănuţ-Ionel; Bucher, Christophe; Saint-Aman, Eric
- Abstract
Glassy carbon disk electrodes modified with film of poly N,N'- ethylenebis[N-[(3-(pyrrole-1-yl)propyl)carbamoyl)methyl]-glycine] (polyL) have been studied by electrochemical impedance spectroscopy (EIS) in order to get a better understanding of their complexing properties towards metal ions. Investigation of the EIS equivalent circuit clearly demonstrated that the morphological structure of the polyL depends on the film thickness and of the complexing species (ions of Hg2+, Cu2+ or Pb2+) and their oxidation state as well.
- Subjects
ELECTRODES; ELECTROCHEMICAL analysis; IMPEDANCE spectroscopy; METAL ions; ELECTRIC resistors; CARBON; PYRROLES; GLYCINE; OXIDATION
- Publication
Studia Universitatis Babes-Bolyai, Chemia, 2009, p113
- ISSN
1224-7154
- Publication type
Article