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A voltammetric technique using a modified carbon paste electrode for the determination of aclonifen

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PL
Woltamperometryczne oznaczanie aklonifenu węglową elektrodą pastową za pomocą fosforanu trikrezylu
Języki publikacji
EN
Abstrakty
EN
A method for the determination of aclonifen at a carbon paste electrode modified with tricresyl phosphate has been developed. The optimum electrochemical regime proved to be differential pulse voltammetry (DPV) in the negative potential range from −200 to −1600 mV. The optimum pH for the determination proved to be pH = 8. The calibration dependence is linear and the limit of detection achieved for the method was 2·10−6 mol/dm3. The method is fast, reliable and it is suitable for the detection of aclonifen in the concentration range from 2·10−6 to 1·10−4 mol/dm3.
PL
Opisano metodę oznaczania aklonifenu węglową elektrodą pastową, modyfikowaną za pomocą fosforanu trikrezylu. Optymalnym systemem elektrochemicznym w badanej metodzie jest woltamperometria pulsowo-różnicowa (DPV) w ujemnym zakresie napięć od −200 do −1600 mV. Optymalne pH badanej metody wynosi 8. Krzywa kalibracyjna ma charakter liniowy z granicą wykrywalności 2·10−6 mol/dm3. Opisana metoda jest szybka, niezawodna oraz przydatna do oznaczania aklonifenu w zakresie stężeń od 2·10−6 do 1·10−4 mol/dm3.
Rocznik
Strony
451--458
Opis fizyczny
Bibliogr. 30 poz., wykr., tab.
Twórcy
autor
  • Institute for Nanomaterials, Advanced Technology and Innovation, Bendlova 1407/7, 461 17 Liberec, Czech Republic, phone +420485353876
  • Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Faculty of Science, Charles University of Prague, Hlavova 2030, Praha 2, Czech Republic
autor
  • Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Faculty of Science, Charles University of Prague, Hlavova 2030, Praha 2, Czech Republic
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-06274455-3a75-4ca3-8bee-94c919dd956a
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