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【英文标准名称】:GuideforEstablishingaLinearCorrelationRelationshipBetweenAnalyzerandTestMethodResultsUsingRelevantASTMStandardPractices
【原文标准名称】:用相关ASTM标准实施规程确立分析仪与测试方法结果之间的线性关联指南
【标准号】:ANSI/ASTMD7235-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【实施或试行日期】:2005-12-27
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析仪;;线性的;试验条件;试验规程;试验
【英文主题词】:Analyzers;Correlation;Linear;Testconditions;Testprocedures;Testing
【摘要】:Thisguidecoversageneralmethodologytodevelopandassessthelinearrelationshipbetweenresultsproducedbyatotalanalyzersystemversustheresultsproducedbythecorrespondingprimarytestmethod(PTM)thattheanalyzersystemisintendedtoemulate,usingtheprinciplesandapproachesoutlinedinrelevantASTMstandardpracticesandguides.ThisguidedescribeshowthestatisticalmethodologyofPracticeD6708canbeemployedtoassessagreementbetweenthePTMandanalyzerresults,and,ifnecessary,developlinearcorrelationtofurtherimprovetheagreementoverthecompleteoperatingrangeoftheanalyzer.ForinstanceswherethereisinsufficientvariationinpropertyleveltoapplythePracticeD6708multi-levelmethodology,usersarereferredtoPracticeD3764toperformalevelspecificbiasevaluation.Thecorrelationrelationshipinformationobtainedintheapplicationofthisguideisapplicableonlytothematerialtypeandpropertyrangeofthematerialsrepresentativeofthoseusedtoperformtheassessment.Usersarecautionedagainstextrapolationoftherelationshipbeyondthematerialtypeandpropertyrangebeingstudied.Thisguideappliesiftheprocessstreamanalyzersystemandtheprimarytestmethodarebasedonthesamemeasurementprinciple(s),or,iftheprocessstreamanalyzersystemusesadirectandwell-understoodmeasurementprinciplethatissimilartothemeasurementprincipleoftheprimarytestmethod.Iftheprocessstreamanalyzersystemusesadifferentmeasurementtechnologyfromtheprimarytestmethod,providedthatthecalibrationprotocolforthedirectoutputoftheanalyzerdoesnotrequireuseofthePTM,thispracticealsoapplies.ThisguidedoesnotapplyiftheprocessstreamanalyzersystemutilizesanindirectormathematicallymodeledmeasurementprinciplesuchaschemometricormultivariateanalysistechniqueswhereresultsfromPTMarerequiredforthechemometricormultivariatemodeldevelopment.UsersshouldrefertoPracticesE1655andD6122fordetailedcorrelationandmodelvalidationproceduresforthesetypesofanalyzersystems.Note1Forexample,thisguidewouldapplyforthecomparisonofbenzenemeasurementsfromamid-infraredprocessanalyzersystembasedonTestMethodD6277tothoseobtainedusingPTMTestMethodD3606,agaschromatographybasedtestmethod.Foreachsample,themid-infraredspectrumisconvertedintoasingleanalyzerresultusingmethodology(TestMethodD6277)thatisindependentoftheprimarytestmethod(TestMethodD3606).However,whenthesameanalyzerusesamultivariatemodeltocorrelatethemeasuredmid-infraredspectrumtoTestMethodD3606referencevaluesusingthemethodologyofPracticeE1655,thisguidedoesnotapply.Inthiscase,thedirectoutputoftheanalyzeristhespectrum,andtheconversionofthismultivariateoutputtoananalyzerresultrequireresultsfromtheprimarytestmethod.Thisguideassumesthattheanalyzersamplingsystemisfitforuse,andbothanalyzerandlabsystemsareinstatisticalcontrolduringtheexecutionoftherequiredtasks.Proceduresfortestingforproperfunctionoftheanalyzersamplingsystem,andascertainingwhetherthesystemsareinstatisticalcontrolarebeyondthescopeofthisguide.SoftwareprogramCompTMVersion1.0.21(ADJD6708)performsthenecessarycomputationsrecommendedbythisguide.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N04
【国际标准分类号】:19_020
【页数】:
【正文语种】:英语