A new strategy for the determination of dinobuton fungicide by square wave stripping voltammetry on the multi-walled carbon nanotube electrode

Murathan Z., İnam R., Demir E.

MATERIALS RESEARCH EXPRESS, cilt.11, ss.1-11, 2024 (SCI-Expanded)

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 11
  • Basım Tarihi: 2024
  • Doi Numarası: 10.1088/2053-1591/ad1bfc
  • Dergi Adı: MATERIALS RESEARCH EXPRESS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Aerospace Database, Chemical Abstracts Core, Communication Abstracts, Compendex, INSPEC, Metadex, Directory of Open Access Journals, Civil Engineering Abstracts
  • Sayfa Sayıları: ss.1-11
  • Gazi Üniversitesi Adresli: Evet

Özet

Dinobutonisafungicidewithadinitrophenolgrouppesticide,anditselectrochemicalbehaviorwas investigatedbycyclicvoltammetry(CV)andsquarewavestrippingvoltammetry(SWSV)onamultiwalledcarbonnanotubepasteelectrode(MWCNTPE).Firstofall,optimumparameterssuchaspH, steppotential,frequency,pulsamplitude,depositiontimeand,depositionpotentialwerespecifiedby usingSWSVontheMWCNTPE.Inthenegativepotentialscans,twocathodicpeaksappearedat nearly−480mVand–760mVduetothenitrogroupsonthemoleculeandthesecondsharpone appearedat−760mV(versusAg/AgCl)wasusedforanalyticalpurposes.Thelinearworkingrange wasfoundtobewithin3.74–25.8μMontheMWCNTPEbySWSVinpH7.0BrittonRobinson(BR) buffersolution.Thelimitofdetection(LOD)andlimitofquantification(LOQ)valueswerefoundto be0.73μMand2.43μM,respectively.Theinterferencestudywasconductedinthepresenceofsome pesticidessuchastriasulfuron,azinphos-methyl,bromoxynil-octanoate,dialifos,fipronil,vinclozolin,iprodione,procymidone,andsomeselectedmetalionswithal.Furthermore,theproposedmethod wasalsoappliedtoapplejuice,tapwater,andgrapejuice,andpercentrecoveries(%)weredetectedas 105.9±4.3;98.3±0.9;103.7±2.5%withrelativestandarddeviationsof4.0,1.0,and2.4%, respectively.Ontheotherhand,percentrelativeerrorswerecalculatedas5.90,1.65,and3.74%, respectively.Highrecoveriesandlowrelativestandarddeviationsindicatethattheapplicabilityofthe proposedmethodinbothmatrixandrealsamplesissatisfying.