60%氟吗啉·唑嘧菌胺干悬浮剂高效液相色谱分析方法研究-豆柴文库

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60%氟吗啉·唑嘧菌胺干悬浮剂高效液相色谱分析方法研究
Title:AStudyontheHigh-PerformanceLiquidChromatographicAnalysisMethodfor60%Flumioxazin·ProthioconazoleSuspensions
Abstract:
Theaimofthisstudywastodevelopahigh-performanceliquidchromatographic(HPLC)analysismethodforthedeterminationof60%flumioxazin·prothioconazolesuspensions.ThemethodinvolvedtheseparationandquantificationoftheactiveingredientsusinganHPLCsystemandappropriatemobilephase.Thedevelopedmethodshowedexcellentlinearity,precision,accuracy,andsensitivity.Thisresearchprovidesaneffectiveanalyticaltoolforqualitycontrolandanalysisof60%flumioxazin·prothioconazolesuspensions.
1.Introduction:
Flumioxazinandprothioconazolearewidelyusedinagricultureasherbicidesandfungicides,respectively.Thecombinationofthesetwoactiveingredientsina60%suspensionformulationoffersimprovedcontrolofbothweedsandplantdiseases.Toensurethesafetyandefficacyofthesesuspensions,itisessentialtodevelopananalyticalmethodforaccuratedeterminationoftheactiveingredients.HPLCisacommonlyemployedtechniquefortheanalysisofpesticidesduetoitshighsensitivity,selectivity,andaccuracy.
2.MaterialsandMethods:
2.1Instrumentation:
Ahigh-performanceliquidchromatographequippedwithaUV-VISdetectorandanauto-samplerwasusedfortheanalysis.TheseparationwascarriedoutusingaC18reverse-phasecolumn.
2.2PreparationofStandardSolutions:
Individualstocksolutionsofflumioxazinandprothioconazolewerepreparedbydissolvingthepurecompoundsinanappropriatesolvent.Thesestocksolutionswerethenusedtoprepareaseriesofstandardsolutionswithknownconcentrations.
2.3SamplePreparation:
The60%flumioxazin·prothioconazolesuspensionswerethoroughlymixed,andanaliquotofthesuspensionwastaken.Thesamplewasdilutedwithanappropriatesolvent,andthentheparticleswereremovedbycentrifugation.Theresultingsupernatantwasfilteredthrougha0.22μmmembranefilterandanalyzedbyHPLC.
3.OptimizationofHPLCConditions:
TheHPLCconditionswereoptimizedbyadjustingthemobilephasecomposition,columntemperature,andflowrate.Themobilephaseconsistedofamixtureofacetonitrileandwater,