Electroactive properties of a new azulene thioxo-imidazolidin-4-one ligand for modified electrodes

  • Elena Diacu University "Politehnica" of Bucharest, Faculty of Applied Chemistry and Material Science, 1-7 Gheorghe Polizu, 011061, Bucharest
  • Adinuta Paun University "Politehnica" of Bucharest, Faculty of Applied Chemistry and Material Science, 1-7 Gheorghe Polizu, 011061, Bucharest
  • Veronica Anastasoaie University "Politehnica" of Bucharest, Faculty of Applied Chemistry and Material Science, 1-7 Gheorghe Polizu, 011061, Bucharest
  • Georgiana-Luiza Arnold-Tatu University "Politehnica" of Bucharest, Faculty of Applied Chemistry and Material Science, 1-7 Gheorghe Polizu, 011061, Bucharest
  • Liviu Birzan Romanian Academy, Institute of Organic Chemistry “C. D. Nenitzescu”, Spl. Independentei, 202B, 060023-Bucharest, 35 P.O. Box 108
  • Eleonora-Mihaela Ungureanu University "Politehnica" of Bucharest, Faculty of Applied Chemistry and Material Science, 1-7 Gheorghe Polizu, 011061, Bucharest
Keywords: (Z)-5-((5-isopropyl-3, 8-dimethylazulen-1-yl)methylene)-2-thioxo-imidazolidin-4-one, electrochemical characterization, chemically modified electrodes, heavy metals recognition

Abstract

The electrochemical characterization of a new synthesized azulene compound (Z)-5-((5-iso­propyl-3,8-dimethylazulen-1-yl)methylene)-2-thioxoimidazolidin-4-one (L) using cyclic vol­tammetry, differential pulse voltammetry and rotating disk electrode is presented. Chemi­cally modified electrodes were obtained by successive scanning or by controlled potential electrolysis using different electrode potentials or charges. The new modified electrodes were tested in solutions containing different concentrations of the following heavy metals: cadmium, lead, mercury and copper. A good analytical response was obtained for Pb2+.

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Published
09-03-2020
Section
7th RSE SEE & 8th Kurt Schwabe symposium Special Issue