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

• Autorzy: Sylwia Smarzewska , Sławomira Skrzypek , Barbara Bachowska , Piotr Bałczewski , Witold Ciesielski
• Języki publikacji: EN

Abstrakty

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. [...]

Słowa kluczowe

EN

Methylthiomethyleneisoquinolinium chloride; Voltammetry; Oxidation; Electrochemistry

• Czasopismo: Open Chemistry
• Rocznik: 2011
• Tom: 9
• Numer: 5
• Strony: 840-845

Daty

wydano

2011-10-01

online

2011-07-24

Twórcy

autor

Sylwia Smarzewska

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

autor

Sławomira Skrzypek

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

autor

Barbara Bachowska

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

autor

Piotr Bałczewski,

autor

Witold Ciesielski

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

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Identyfikatory

DOI

10.2478/s11532-011-0063-1