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吡唑醚菌酯15%微乳剂的液相色谱测定方法研究.docx

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吡唑醚菌酯15%微乳剂的液相色谱测定方法研究 Title:AnalyticalMethodDevelopmentfortheLiquidChromatographicDeterminationof15%PyrethroidEtherFungicideMicroemulsion Abstract: Thisresearchaimstodevelopanefficientandaccurateanalyticalmethodforthedeterminationof15%PyrethroidEtherFungicideMicroemulsionusingliquidchromatography.PyrethroidEtherFungicidesarewidelyusedinagricultureforpestcontrol,andtheiraccuratedeterminationisessentialforsafetyandefficacyevaluations.Inthisstudy,aliquidchromatographicmethodwasdevelopedandvalidatedforthequantificationofPyrethroidEtherFungicideinamicroemulsionformulation.Themethoddevelopedensuresreliableandaccuratequantificationoftheactiveingredientthroughtheanalysisofthesamplematrix. Introduction: PyrethroidEtherFungicidesareaclassofsyntheticchemicalswidelyusedinagricultureforthecontrolofpestsanddiseases.Theyexhibitvariousadvantagessuchaslowmammaliantoxicity,rapiddegradationintheenvironment,andbroad-spectrumactivityagainstawiderangeofpests.Toensureefficientandsafeutilizationofthesefungicides,itiscrucialtodeveloprobustanalyticalmethodscapableofaccuratelydeterminingtheirconcentrationsincommercialformulations. LiquidChromatography(LC)isawidelyacceptedtechniquefortheanalysisofcomplexmixturesinvariousfields,includingthedeterminationofactiveingredientsinpesticideformulations.OneofthechallengesindevelopinganLCmethodforthequantificationofPyrethroidEtherFungicidesistheselectionofanappropriatechromatographicsystemthatprovidesgoodseparationandsensitivity. ExperimentalSection: Inthisstudy,avalidatedLCmethodwasdevelopedforthedeterminationofPyrethroidEtherFungicideina15%microemulsionformulation.Themethodinvolvedtheutilizationofareverse-phaseC18columnwithamobilephasecomprisingamixtureofacetonitrileandwater.Agradientelutionprogramwasdesignedtoensureseparationoftheanalyteofinterestfromothercomponentsofthemicroemulsionmatrix.AUVdetectorwasemployedforquantificationatawavelengthsuitableforthespecificfungicide. Results: ThedevelopedLCmethoddemonstratedexcellentlinearity(R2>0.999)withinthe