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A simple and rapid electrochemical sensing method for metribuzin determination in tap and river water samples

Authorized Users Only
2016
Authors
Stojanović, Zorica
Đurović, Ana
Kravić, Snežana
Grahovac, Nada
Suturović, Zvonimir
Bursić, Vojislava
Vuković, Gorica
Brezo, Tanja
Article (Published version)
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Abstract
This paper describes an electroanalytical method for the determination of metribuzin using a thin film mercury electrode by chronopotentiometry. Research included optimization of the most important parameters of chronopotentiometric analysis and the best responses were achieved in Britton-Robinson buffer at pH 5.0, using an initial potential of -0.21 V, ending potential of -1.1 V, and reduction current in the range from -4 mu A to -15 mA. Under these conditions, metribuzin was reduced in an irreversible electrode reaction process with one well-defined reduction wave at -0.83 V (vs. Ag/AgCl, KCl, 3.5 mol dm(-3)). A linear response was observed for three concentration ranges 1-5, 5-15 and 15-30 mg dm(-3), with an achieved limit of detection of 0.042 mg dm(-3). The precision was determined as a function of repeatability and reproducibility, which showed relative standard deviation values not higher than 3.18%. Various interfering substances did not interfere with metribuzin determination.... The proposed method was successfully applied to tap and river water samples. The recovery values obtained for spiked river water samples were in good statistical agreement with those obtained by the LC-MS/MS method. Accordingly, the proposed chronopotentiometric methodology can be conveniently applied in the quality control of environmental water samples as a simple, sensitive, reliable and low cost method.

Source:
Analytical Methods, 2016, 8, 12, 2698-2705
Publisher:
  • Royal Soc Chemistry, Cambridge
Funding / projects:
  • Improvement and development of hygienic and technological procedures in production of animal originating foodstuffs with the aim of producing high-quality and safe products competetive on the global market (RS-46009)

DOI: 10.1039/c5ay03243a

ISSN: 1759-9660

WoS: 000372758000019

Scopus: 2-s2.0-84962552609
[ Google Scholar ]
7
3
URI
http://fiver.ifvcns.rs/handle/123456789/1553
Collections
  • Radovi istraživača / Researchers' papers
Institution/Community
FiVeR
TY  - JOUR
AU  - Stojanović, Zorica
AU  - Đurović, Ana
AU  - Kravić, Snežana
AU  - Grahovac, Nada
AU  - Suturović, Zvonimir
AU  - Bursić, Vojislava
AU  - Vuković, Gorica
AU  - Brezo, Tanja
PY  - 2016
UR  - http://fiver.ifvcns.rs/handle/123456789/1553
AB  - This paper describes an electroanalytical method for the determination of metribuzin using a thin film mercury electrode by chronopotentiometry. Research included optimization of the most important parameters of chronopotentiometric analysis and the best responses were achieved in Britton-Robinson buffer at pH 5.0, using an initial potential of -0.21 V, ending potential of -1.1 V, and reduction current in the range from -4 mu A to -15 mA. Under these conditions, metribuzin was reduced in an irreversible electrode reaction process with one well-defined reduction wave at -0.83 V (vs. Ag/AgCl, KCl, 3.5 mol dm(-3)). A linear response was observed for three concentration ranges 1-5, 5-15 and 15-30 mg dm(-3), with an achieved limit of detection of 0.042 mg dm(-3). The precision was determined as a function of repeatability and reproducibility, which showed relative standard deviation values not higher than 3.18%. Various interfering substances did not interfere with metribuzin determination. The proposed method was successfully applied to tap and river water samples. The recovery values obtained for spiked river water samples were in good statistical agreement with those obtained by the LC-MS/MS method. Accordingly, the proposed chronopotentiometric methodology can be conveniently applied in the quality control of environmental water samples as a simple, sensitive, reliable and low cost method.
PB  - Royal Soc Chemistry, Cambridge
T2  - Analytical Methods
T1  - A simple and rapid electrochemical sensing method for metribuzin determination in tap and river water samples
EP  - 2705
IS  - 12
SP  - 2698
VL  - 8
DO  - 10.1039/c5ay03243a
ER  - 
@article{
author = "Stojanović, Zorica and Đurović, Ana and Kravić, Snežana and Grahovac, Nada and Suturović, Zvonimir and Bursić, Vojislava and Vuković, Gorica and Brezo, Tanja",
year = "2016",
abstract = "This paper describes an electroanalytical method for the determination of metribuzin using a thin film mercury electrode by chronopotentiometry. Research included optimization of the most important parameters of chronopotentiometric analysis and the best responses were achieved in Britton-Robinson buffer at pH 5.0, using an initial potential of -0.21 V, ending potential of -1.1 V, and reduction current in the range from -4 mu A to -15 mA. Under these conditions, metribuzin was reduced in an irreversible electrode reaction process with one well-defined reduction wave at -0.83 V (vs. Ag/AgCl, KCl, 3.5 mol dm(-3)). A linear response was observed for three concentration ranges 1-5, 5-15 and 15-30 mg dm(-3), with an achieved limit of detection of 0.042 mg dm(-3). The precision was determined as a function of repeatability and reproducibility, which showed relative standard deviation values not higher than 3.18%. Various interfering substances did not interfere with metribuzin determination. The proposed method was successfully applied to tap and river water samples. The recovery values obtained for spiked river water samples were in good statistical agreement with those obtained by the LC-MS/MS method. Accordingly, the proposed chronopotentiometric methodology can be conveniently applied in the quality control of environmental water samples as a simple, sensitive, reliable and low cost method.",
publisher = "Royal Soc Chemistry, Cambridge",
journal = "Analytical Methods",
title = "A simple and rapid electrochemical sensing method for metribuzin determination in tap and river water samples",
pages = "2705-2698",
number = "12",
volume = "8",
doi = "10.1039/c5ay03243a"
}
Stojanović, Z., Đurović, A., Kravić, S., Grahovac, N., Suturović, Z., Bursić, V., Vuković, G.,& Brezo, T.. (2016). A simple and rapid electrochemical sensing method for metribuzin determination in tap and river water samples. in Analytical Methods
Royal Soc Chemistry, Cambridge., 8(12), 2698-2705.
https://doi.org/10.1039/c5ay03243a
Stojanović Z, Đurović A, Kravić S, Grahovac N, Suturović Z, Bursić V, Vuković G, Brezo T. A simple and rapid electrochemical sensing method for metribuzin determination in tap and river water samples. in Analytical Methods. 2016;8(12):2698-2705.
doi:10.1039/c5ay03243a .
Stojanović, Zorica, Đurović, Ana, Kravić, Snežana, Grahovac, Nada, Suturović, Zvonimir, Bursić, Vojislava, Vuković, Gorica, Brezo, Tanja, "A simple and rapid electrochemical sensing method for metribuzin determination in tap and river water samples" in Analytical Methods, 8, no. 12 (2016):2698-2705,
https://doi.org/10.1039/c5ay03243a . .

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