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分光光度法测定水质中Si含量的方法改进 Title:ImprovementsintheSpectrophotometricMethodforDeterminingSiliconContentinWaterQualityAnalysis Abstract: Waterqualityanalysisplaysacrucialroleinenvironmentalmonitoringandassessment.Silicon(Si)isoneoftheessentialelementsthatneedtobedetermined,asitsconcentrationcanhavesignificantimplicationsforbothaquaticecosystemsandhumanhealth.Traditionally,thespectrophotometricmethodhasbeenemployedtoanalyzeSicontentinwatersamples.However,thismethodsuffersfromcertainlimitations,includinginterferencefromotherconstituentsandtheneedforcomplexsamplepreparationtechniques.ThispaperaimstoproposeimprovementstothespectrophotometricmethodfordeterminingSicontentinwater,focusingonovercomingtheselimitationsandenhancingaccuracyandefficiency. 1.Introduction: TheaccuratedeterminationofSicontentinwatersamplesisimportantduetoitsinfluenceonvariousenvironmentalandecologicalfactors.Siliconisessentialforthegrowthofdiatoms,whichareprimaryproducersinaquaticecosystems.Additionally,thepresenceofhighlevelsofsiliconindrinkingwatermayleadtohealthconcerns,suchasthedevelopmentofkidneystones.Thus,animprovedandreliablemethodfordeterminingSicontentinwatersamplesisnecessary. 2.LimitationsoftheCurrentSpectrophotometricMethod: ThespectrophotometricmethodtraditionallyemployedforSideterminationinwatersamplessuffersfromseverallimitations.Firstly,interferencefromotherconstituents,suchasdissolvedorganicmatter,canintroduceerrorsinSiconcentrationmeasurements.Moreover,complexsamplepreparationtechniques,includingsampledigestionandfiltration,aretime-consumingandincreasetheriskofcontamination.TheselimitationswarranttheneedformethodologicalimprovementsinthespectrophotometricanalysisofSicontentinwatersamples. 3.ProposedImprovements: a)SelectiveSi-MolybdateReaction:Inordertoovercometheinterferencefromotherconstituents,theuseofaselectiveSi-Molybdatereactioncanbeimplemented.Thisreactioninvolvestheformationofasilicomolybdicacidcomplex,whichcanbespectrophotometricallymeasuredataspecificwavelength.Byadjustingtherea

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