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First electrochemical investigation of organophosphorus pesticide azametiphos and its quantification using electroanalytical approach

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2018
Authors
Vukojević, Vesna
Đurđić, Slađana
Jevtic, Sonja
Pergal, Marija
Markovic, Aleksandar
Mutić, Jelena
Petković, Branka B.
Stanković, Dalibor
Article (Published version)
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Abstract
In this work, the electrochemical behaviour and the subsequent development of an analytical procedure for quantification of pesticide azamethiphos, using boron-doped diamond (BDD) electrode are reported for the first time. It was found that azamethiphos electrochemical behaviour is irreversible oxidation at the potential of around 1.70 V, in 1 M nitric acid (pH 0). Also, it was found that potential of this oxidation was not pH dependent which can be attributed to the no proton involvement in electrochemical reaction on the electrode surface. The square wave voltammetric method was most appropriate for azamethiphos quantification. Under optimised experimental conditions, linear working range from 2 to 100 mu M was estimated with the detection limit of 0.45 mu M. Negligible effect of the possible interfering compound was observed. The obtained results show that the developed analytical methodology can be an adequate replacement for the, up to date, used methods for detection of organopho...sphorous pesticide.

Keywords:
Azamethiphos / electrochemistry / boron-doped diamond electrode / organophosphorous pesticides
Source:
International Journal of Environmental Analytical Chemistry, 2018, 98, 13, 1175-1185
Publisher:
  • Taylor & Francis Ltd, Abingdon
Projects:
  • Application of advanced oxidation processes and nanostructured oxide materials for the removal of pollutants from the environment, development and optimisation of instrumental techniques for efficiency monitoring (RS-172030)
  • Multiscale structuring of polymer nanocomposites and functional materials based on different precursors (RS-45022)
  • Strengthening of the MagBioVin Research and Innovation Team for Development of Novel Approaches for Tumour Therapy based on Nanostructured Materials (EU-621375)

DOI: 10.1080/03067319.2018.1537394

ISSN: 0306-7319

WoS: 000451132200001

Scopus: 2-s2.0-85055546040
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2358
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