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dc.creatorĐurović, Ana
dc.creatorStojanović, Zorica
dc.creatorKravić, Snežana
dc.creatorRakić, Dušan
dc.creatorGrahovac, Nada
dc.date.accessioned2021-04-26T19:40:10Z
dc.date.available2021-04-26T19:40:10Z
dc.date.issued2018
dc.identifier.issn0306-7319
dc.identifier.urihttp://fiver.ifvcns.rs/handle/123456789/1792
dc.description.abstractIn this paper, a chronopotentiometric method for the determination of herbicide metamitron (MTM) using a glassy carbon electrode (GCE) and a thin film mercury electrode (TFME) as working electrodes is presented. MTM provided a well-defined reductive peak in the Britton-Robinson buffer on both working electrodes. Instrumental and chemical factors such as pH of the buffer, initial potential and reduction current influencing MTM chronopotentiometric response were optimised with the Box-Behnken experimental design. Under the optimal combination of factors, the analytical signal was linear in the MTM concentration range of 0.8-30mg/L, with a detection limit of 68.53 mu g/L using a TFME, and in the concentration range of 1-30mg/L, with a detection limit of 92.91 mu g/L using a GCE. The precision of the method was estimated as a function of repeatability and reproducibility, with the value of relative standard deviation lower than 2.6%. The applicability of the method was verified by direct analysis of MTM in spiked water samples and commercial pesticide formulations. The obtained results were in good agreement with those obtained using liquid chromatography/tandem mass spectrometry (LC-MS/MS) method, or with those labelled by the manufacturer. By using chronopotentiometry, neither extraction nor preconcentration procedures are necessary, thus making this method simple, cost-effective and more feasible for analytical routine analysis.en
dc.publisherTaylor & Francis Ltd, Abingdon
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/46009/RS//
dc.rightsrestrictedAccess
dc.sourceInternational Journal of Environmental Analytical Chemistry
dc.subjectMetamitronen
dc.subjectglassy carbon electrodeen
dc.subjectthin film mercury electrodeen
dc.subjectwater sampleen
dc.titleNovel electrochemical procedure for the determination of metamitronen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage385
dc.citation.issue4
dc.citation.other98(4): 369-385
dc.citation.rankM23
dc.citation.spage369
dc.citation.volume98
dc.identifier.doi10.1080/03067319.2018.1469625
dc.identifier.scopus2-s2.0-85046801321
dc.identifier.wos000432547800007
dc.type.versionpublishedVersion


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