A study of the electrochemical behavior of methomyl on a gold electrode in a neutral electrolyte-Reference-Cited by-同舟云学术

A study of the electrochemical behavior of methomyl on a gold electrode in a neutral electrolyte

Published:2009 Issue:5 Volume:74 Page:573-579
ISSN:0352-5139
Container-title:Journal of the Serbian Chemical Society
language:en
Short-container-title:JSCS

Author:

Tomasevic Andjelka¹,Avramov-Ivic Milka²,Petrovic Slobodan³,Jovanovic Mica⁴,Mijin Dusan⁴^ORCID

Affiliation:

1. Centar za pesticide i zaštitu životne sredine, Beograd

2. IHTM - Centar za elektrohemiju, Beograd

3. Tehnološko-metalurški fakultet, Beograd + Hemofarm grupa, Farmaceutska i hemijska industrija, Vršac

4. Tehnološko-metalurški fakultet, Beograd

Abstract

A gold electrode was used for the qualitative and quantitative electrochemical determination of analytical methomyl in a neutral electrolyte (0.050 M NaHCO3) using cyclic linear sweep voltammetry. In the potential range from -800 mV vs. SCE to 1000 mV vs. SCE the analytical methomyl was quantitatively determined in the concentration range 4.0-16 mg L-1. In the potential range from -1300 mV vs. SCE to 1300 mV vs. SCE, methomyl was qualitatively determined by two anodic and four cathodic reactions. Cycling the potential in this range for 150 min caused the degradation of the molecule, which was confirmed by HPLC analysis. On the other hand, technical methomyl exhibited an inhibition of the gold electrode surface due to the impurities.

Publisher

National Library of Serbia

Subject

General Chemistry

Reference10 articles.

1. Reaction pathways in the electrochemical degradation of thiocarbamate herbicides in NaCl solution

2. Influence of chlorine-water equilibria on the electrochemical destruction of thiocarbamate herbicides in NaCl solutions

3. Electrochemical Degradation of Thiocarbamates in NaCl Solutions

4. Pulsed amperometric detection of sulfur-containing pesticides in reversed-phase liquid chromatography

5. Decomposition of methomyl over supported iron catalysts

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