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两种铁强化食盐中乙二胺四乙酸铁钠的检测方法研究 Title:ResearchonTwoMethodsfortheDetectionofEthylenediaminetetraaceticAcidIronSodiumSaltinIron-FortifiedSalt Abstract: Iron-fortifiedsaltplaysacrucialroleinaddressingirondeficiencyinpopulationsworldwide.Ethylenediaminetetraaceticacidironsodiumsaltisacommonlyusedironfortificant.However,thereisaneedtodevelopreliableandefficientmethodsforitsdetection.Thispaperaimstoinvestigateandcomparetwomethodsforthedetectionofethylenediaminetetraaceticacidironsodiumsaltiniron-fortifiedsalt.Thetwomethodsstudiedincludespectrophotometryandatomicabsorptionspectroscopy.Theresearchincorporatesacomparativeanalysisoftheadvantages,limitations,andapplicabilityofthesemethods. Introduction: Irondeficiencyisaprevalentglobalhealthissue,affectingmillionsofpeopleworldwide.Iron-fortifiedsalthasbeenwidelyusedasacost-effectiveandsustainableapproachtocombatirondeficiency.Ethylenediaminetetraaceticacidironsodiumsaltisoneofthecommonlyusedironfortificantsduetoitsstabilityandbioavailability.However,ensuringtheaccuratedetectionofthiscompoundiniron-fortifiedsaltisimperativetoensuretheefficacyofitsfortifyingproperties. Methods: 1.Spectrophotometry: Spectrophotometryisawidelyusedanalyticaltechniquethatmeasurestheabsorptionortransmissionoflightbyasample.Inthecaseofethylenediaminetetraaceticacidironsodiumsalt,itsdetectioncanbeachievedthroughcolorimetricassays.Thismethodemploysthechelationreactionbetweentheironinthefortificantandcolorimetricreagentssuchas2,2'-bipyridineorthiocyanate.Theresultingcolorchangecanbequantifiedusingaspectrophotometerataspecificwavelength.Theconcentrationofethylenediaminetetraaceticacidironsodiumsaltcanbedeterminedbycomparingtheabsorbancevalueswithacalibrationcurve. Advantages: -Spectrophotometryisarelativelysimpleandcost-effectivemethodcomparedtoothertechniques. -Itoffersgoodsensitivityandselectivityforthedetectionofethylenediaminetetraaceticacidironsodiumsalt. -Thismethodcanbeeasilyadaptedtohigh-throughputscreening,makingitsuitableforlarge-scaleproduction. Limita

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