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Voltammetric determination of Aclonifen at a silver amalgam electrode in drinking and river water

Autorzy
Identyfikatory
Warianty tytułu
PL
Woltamperometryczne oznaczanie Aklonifenu za pomocą amalgamatowej elektrody srebrnej w wodzie pitnej i rzecznej
Języki publikacji
EN
Abstrakty
EN
A method for the determination of pesticide Aclonifen (AC) in drinking and river water by differential pulse voltammetry (DPV) on a meniscus modified silver solid amalgam electrode (m-AgSAE) using solid phase extraction (SPE) as a cleanup and preconcentration procedure is described. The limit of detection (LOD) for direct DPV determination of AC in deionized water is 2.7·10-8 mol·dm-3. LOD for DPV determination of AC in tap water after SPE is 1.6·10-10 mol·dm-3, the recovery being 55%. LOD for the determination of AC in Vltava river water is 1.9·10-9 mol·dm-3, the recovery being 65%. Humic acids interfere with the determination in river water; this problem can be resolved by adjusting the pH of the extracted sample to 6. The advantages of this approach are high sensitivity, low LOD, quick and easy sample preparation and fast determination.
Rocznik
Strony
277--284
Opis fizyczny
Bibliogr. 29 poz., wykr., tab.
Twórcy
autor
  • UNESCO Laboratory of Environmental Electrochemistry, Department of Analytical Chemistry, Faculty of Science, Charles University, Hlavova 2030, Prague 2, Czech Republic
autor
  • Institute for Nanomaterials, Advanced Technology and Innovation, Technical University of Liberec, Bendlova 1407/7 Liberec, Czech Republic
Bibliografia
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  • [8] Sheu H-L, Sung Y-H, Melwanki MB, Huang S-D. Determination of diphenylether herbicides in water samples by solid-phase microextraction coupled to liquid chromatography. J Sep Sci. 2006;29:2647-2652. DOI: 10.1002/jssc.200600155.
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  • [15] Cai J-R, Zhou L-N, Han E. A sensitive amperometric acetylcholine biosensor based on carbon nanosphere and acetylcholinesterase modified electrode for detection of pesticide residues. Anal Sci. 2014;30(6):669-673. DOI: 10.2116/analsci.30.669.
  • [16] Li C-P, Fan S, Yin C, Zhang N, Du S, Zhao H. Carboxylic silica nanosheet-platinum nanoparticle modified glass carbon electrodes for pesticide detection. Anal Methods. 2014;6(6):1914-1921. DOI: 10.1039/C3AY42305K.
  • [17] Songa EA, Somerset VS, Waryo T, Baker PGL, Iwuoha EI. Amperometric nanobiosensor for quantitative determination of glyphosate and glufosinate residues in corn samples (Report). Pure Appl Chem. 2009;81(1):123-139. DOI: 10.1351/PAC-CON-08-01-15.
  • [18] Barek J, Cabalkova D, Fischer J, Navratil T, Peckova K, Yosypchuk B. Voltammetric determination of the herbicide Bifenox in drinking and river water using a silver solid amalgam electrode. Environ Chem Lett. 2011;9(1):83-86. DOI: 10.1007/s10311-009-0250-x.
  • [19] Brycht M, Skrzypek S, Nosal-Wiercilska A, Smarzewska S, Guziejewski D, Ciesielski W, et al. The new application of renewable silver amalgam film electrode for the electrochemical reduction of nitrile, cyazofamid, and its voltammetric determination in the real samples and in a commercial formulation. Electrochim Acta. 2014;134:302-308. DOI: 10.1016/j.electacta.2014.04.143.
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  • [21] Skrzypek S, Smarzewska S, Ciesielski W. Determination of Blasticidin S in spiked rice using SW voltammetry with a renewable silver amalgam film electrode. Electroanalysis. 2012;24(5):1153-1159. DOI: 10.1002/elan.201100715.
  • [22] Inam R, Cakmak Z. A simple square wave voltammetric method for the determination of Aclonifen herbicide. Anal Methods. 2013;5(13):3314-3320. DOI: 10.1039/C3AY40333E
  • [23] Ni Y, Wang L, Kokot S. Simultaneous determination of three herbicides by differential pulse voltammetry and chemometrics. J Environ Sci Health. Part B. Pesticides Food Contamin Agricult Wastes. 2011;46(4):328-335. DOI: 10.1080/03601234.2011.559888.
  • [24] Silva TA, Figueiredo LCS, Vicentini FC, Deroco PB, Rocha-Filho RC, Fatibello-Filho O. Square-wave voltammetric determination of the herbicide bentazon using a cathodically pretreated boron-doped diamond electrode. Chem Sensors. 2014;4:1-6. http://www.cognizure.com/abstract.aspx?p=200638412.
  • [25] Yosypchuk B, Barek J. Analytical applications of solid and paste amalgam electrodes. Crit Rev Anal Chem. 2009;39:189-203. DOI: 10.1080/10408340903011838.
  • [26] Fischer J, Dejmkova H, Barek J. Electrochemistry of pesticides and its analytical applications. Curr Org Chem. 2011;15:2923-2935. DOI: 10.2174/138527211798357146.
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Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-6bc92597-529f-4029-88e5-6fdbc60861dd
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