Electrochemical oxidation of methylthiomethyleneisoquinolinium chloride - the first water soluble alkylthiomethylene substituted ammonium salt

• Authors: Sylwia Smarzewska , Sławomira Skrzypek , Barbara Bachowska , Piotr Bałczewski , Witold Ciesielski
• Languages of publication: EN

Abstracts

EN

Electrochemical oxidation of methylthiomethyleneisoquinolinium chloride (MTMIQ), the first alkylthiomethyl substituted ammonium salt, which is fully miscible with water has been investigated by voltammetric (SWV) method using glassy carbon electrode. On the electrode, MTMIQ undergoes oxidation at the potential near Ep = 0.07V (vs. Ag/AgCl/3 M KCl). The influence of the pH of buffers, amplitude, frequency, step potential on the received signal was studied. The best results were obtained with a citrate buffer at a pH of 5. The oxidation peak current used for MTMIQ voltammetric determination was in the range of 2–8×10−5 mol L−1, LOD = 3.7×10−6, LOQ = 1.2×10−5. The product of the oxidation was accumulated at the working electrode and was investigated by spectroscopic method. Mechanistic pathways of the oxidation have been proposed. [...]

Keywords

EN

Methylthiomethyleneisoquinolinium chloride; Voltammetry; Oxidation; Electrochemistry

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2011
• Volume: 9
• Issue: 5
• Pages: 840-845

Dates

published

1 - 10 - 2011

online

24 - 7 - 2011

Contributors

author

Sylwia Smarzewska

• Department of Instrumental Analysis, University of Łódź, 90-236, Łódź, Poland

author

Sławomira Skrzypek

• Department of Instrumental Analysis, University of Łódź, 90-236, Łódź, Poland

author

Barbara Bachowska

• Institute of Chemistry, Environmental Protection and Biotechnology, Jan Długosz University in Częstochowa, 42-200, Częstochowa, Poland

author

Piotr Bałczewski

author

Witold Ciesielski

• Department of Instrumental Analysis, University of Łódź, 90-236, Łódź, Poland

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Identifiers

DOI

10.2478/s11532-011-0063-1