文档介绍：该【1.4979743参考论文参考论文资料 】是由【学习好资料】上传分享，文档一共【7】页，该文档可以免费在线阅读，需要了解更多关于【1.4979743参考论文参考论文资料 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。EvaluationoftheuncertaintyofdeterminationcadmiuminaluminumcopperalloybyphotoelectricspectrometryYichunDai,LunfuTian,DeshuangZou,LiliWang,andDongTianCitation:AIPConferenceProceedings1829,020011(2017);Viewonline:https:///:http://aip./toc/apc/1829/1PublishedbytheAmericanInstituteofPhysicsArticlesyoumaybeinterestedinpositesAIPConferenceProceedings1829,020016(2017);,020034(2017);,020003(2017);,020006(2017);(VI)ionsinwaterAIPConferenceProceedings1829,020045(2017);,020029(2017);),LunfuTian,DeshuangZou,LiliWangandDongTianInstituteofMachineryManufacturingTechnology,ChinaAcademyofEngineeringPhysics,Mianyang,621900,Chinaa)******@-2012ofEvaluationandExpressionofUncertainty,,thesyntheticstandarduncertainty,,-2012EvaluationandExpressionofUncertainty[1],,evaluationofuncertaintymeasurementwasattractingagreatdealofattention[2-10].Themethodfordeterminationelementsincopperaluminumalloybyphotoelectricdirectreadingspectrometrywaswidelyavailableinaluminumalloyforitscharacteristicsofsimplesamplepretreatment,rapidanalysisandsoon[11-15].ThepaperdiscussedhowtoevaluatetheuncertaintyofdeterminationcadmiumincopperaluminumalloybyphotoelectricdirectreadingspectrometeronthebasisofGB/T7999-2007ofOpticalEmissionSpectrometricAnalysisMethodofAluminumandAluminumAlloys[16].±,twoof750mmgratingsofholographicfocus,-4Qautomaticargon–purificationmachineandGc0625tablelatheweremadeinChinaSichuanPuruipurificationequipmentCo.,LtdandChinaShandongLin-oolCo.,,020011-1–020011-6;doi:.978-0-7354-1497-6/$-%oftheargonpuritywith5L/hofstationaryflow,25L/hofconstantflow,180L/,(Group)co.,-200716ofMethodforPhotoelectricDirectReadingSpectrometry,,thecontentofmeasuredelementswasobtainedfromintensity-(SUSRA10/2,SUSRA18/69,SUSRA19/29)ashighcontentofstandardsamplesandlowcontentofstandardsamplescalibrated,GBWE2238referencematerials(SouthWestaluminumproductsco.,ltd)˙aˇbc(c:cadmiummassfractionofsamplesfromthecalibrationcurve)wasobtainedinlinewithleastsquaresregression;I:theratioofspectralintensityofstandardsubstanceofcadmiumandaluminum).=X(1)Intheformula,-typeandB---typeuncertaintyresultedfromtheuncertaintyof?(homogeneityandtreatmentofsample),-ponentsCdofGBWE2238ofcastaluminumstandardwasdeterminedfor6paralleldeterminations,andthestandarddeviationS?A-typeuncertaintyandA-typerelativeuncertaintywerecalculatedastheformulasfrom(2)to(4).%×10-×10-×10-×10-×10-×10-1Averageδ%×10-×10-3A-×10-4A-×10-3020011-2n6121-12(2)S(xi)|(xix)|(xi×10%)n1i16×10-3S(x)4(3)A(x)4UA(x)3(4)rel(A)1Intheformulas,standarddeviationofthesingleanalysis,thetestvalueofn_(th)time,averagevalueofNtests,thenumberoftests,A-typeuncertaintyandA-typerelativeuncertaintywasdenotedbyS(xi),xi,Cx,n,UA(Cx)andUrel(A),-ponentsEvaluationofUncertaintyofTypeStandardSampleAsthestandardsampleofGBWE2238,×10-1%,andstandarddeviationwas5×10-=3,BtypestandardsampleuncertaintyU(B1)3(5)(B1)3U(B1)2(6)rel(B1)1Intheformula,U(B1)andUrel(B1)?%?×10-×10-×10-×10-×10-×10-×10-×10-×10-1%andthedeterminationvalueofstandardsamplewas3×10-3%,whichcoincidedwiththeprecisionofGB/T7999-2007ofOpticalEmissionSpectrometricAnalysisMethodofAluminumandAluminumAlloys(Therelativestandarddeviationwaslessthan5%)(Theconfidenceintervalwas95%andkwas2.)-33u103(7)(B2)3U(B2)3(8)rel(B2)1Intheformula7and8,theuncertaintyofanalyticalapproachandtherelativeuncertaintyofanalyticalapproachwasdenotedbyU(B2)andUrel(B2).(x)4(9)(B3)4UA(x)3(10)(B3)1Intheformula,theuncertaintyofanalyticapparatusstabilityandtherelativeuncertaintyofanalyticapparatusstabilitywasdenotedbyU(B3))andUrel(B3).%×10-×10-×10-×10-×10-×10-1Averageδ%×10-×10-×10-×10-3TheUncertaintyofSampleCharacteristic6ofhomemadealuminumsamples(SamplepreparationandtreatmentwereinlinewiththerequirementsofGB/T5678-201317)(homogeneityandtreatmentofsampleetc.)×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-1Valueδ%×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-1Averageδ%×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-×10-2-2Intheformula11,therelativeuncertaintyofsamplescharacteristicwasdenotedbyUrel(B4)×-42222222Urel(B4)Urel(1)Urel(2)Urel(3)Urel(4)Urel(5)Urel(6)?11?,-typeRelativeUncertaintyofDeterminationCadmiuminCopperAluminumAlloySomefactorsthatinfluencedB-,-(B)Urel(B1)Urel(B2)Urel(B3)Urel(B4)(2)2(4)2(3)2(2)2(12)2binedRelativeUncertaintyofDeterminationCadmiuminCopperAluminumAlloyOnthebasisofA-typerelativeuncertaintyandB-typerelativeuncertainty,thecalculationofbinedrelativeuncertaintyUrel(C)32222Urel(C)Urel(A)Urel(B)()()(13)EvaluationoftheRelativeExpandedUncertaintyofDeterminationCadmiuminCopperAluminumAlloyInindustry,kwas2for95%(i)ofdeterminationcadmiumincopperaluminumalloywasinthefollowingformula14.22Urel(i)(14)×10-1%,Uwasinthefollowingformula15.112%%%(15)Therefore,=(×10-1±×10-2)%?k=2.(16)--typeuncertainty,-?%?×10-×10-×10-×10-×10-×10-,-typeuncertaintywasam