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DeterminationArsenicContentofOutsourcingPigIronwithSpectrophotometry

  

  1. (QualityandMeasurementTestingCenter,KunmingIron&SteelGroupCo.Ltd.YuxiYunnan653100,China)
  • Online:2013-03-30 Published:2013-03-30

Abstract:

Thispapertalksaboutdeterminationarseniccontentofoutsourcingpigironwithspectrophotometry.Thepigironpowderwasburnedinhightemperaturemufflefurnaceaboutonehour,thencarbonwasremoved.Methodresearchinvolvesthetemperatureofsampledissolution,whichiscontrolledaround200℃.theprocessofsmoketimeofsampledissolutionwasexperimentedandcompared,andalsoresearchesthedeterminationresultsinfluencedbystoragetimeofascorbicacid.therangeoflinearitywasconfirmed,aswellas,detectionlimitedwasdeterminated.Comparedthedeterminationresultswithsamplevaluedbyothermethodwhichconfirmedthemethodisfeasible.Theaccuracyofthemethodiswithinthenationalstandardreferenceranges.RSDofarsenicislessthan4%,whichissuitablefordeterminationarseniccontentofoutsourcingpigironwithspectrophotometry.

Key words: spectrophotometry, arsenicdetermination, pigiron

CLC Number: