【英文标准名称】:StandardPracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod
【原文标准名称】:测定试验方法精密性进行实验室间研究的标准实施规范
【标准号】:ASTME691-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E11.20
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:实验室试验;精密度;统计学;试验
【英文主题词】:precision;repeatability;reproducibility;repeatabilitylimit;reproducibilitylimit
【摘要】:1.1Thispracticedescribesthetechniquesforplanning,conducting,analyzing,andtreatingtheresultsofaninterlaboratorystudy(ILS)ofatestmethod.Thestatisticaltechniquesdescribedinthispracticeprovideadequateinformationforformulatingtheprecisionstatementofatestmethod.1.1.1AcomputersoftwarepackageforperformingthecalculationsandproducingthetablesandgraphsassociatedwithPracticeE691.ThissoftwarecanberunonPCcompatiblecomputers,andhardcopytablesandgraphscanbeprintedondot-matrixprinters.1.2Thispracticedoesnotconcernitselfwiththedevelopmentoftestmethodsbutratherwithgatheringtheinformationneededforatestmethodprecisionstatementafterthedevelopmentstagehasbeensuccessfullycompleted.Thedataobtainedintheinterlaboratorystudymayindicate,however,thatfurthereffortisneededtoimprovethetestmethod.1.3Sincetheprimarypurposeofthispracticeisthedevelopmentoftheinformationneededforaprecisionstatement,theexperimentaldesigninthispracticemaynotbeoptimumforevaluatingmaterials,apparatus,orindividuallaboratories.1.4FieldofApplication8212;Thispracticeisconcernedexclusivelywithtestmethodswhichyieldasinglenumericalfigureasthetestresult,althoughthesinglefiguremaybetheoutcomeofacalculationfromasetofmeasurements.1.4.1Thispracticedoesnotcovermethodsinwhichthemeasurementisacategorization,suchasago-no-goallocation(twocategories)orasortingschemeintotwoormorecategories.Forpracticalpurposes,thediscontinuousnatureofmeasurementsofthesetypesmaybeignoredwhenatestresultisdefinedasanaverageofseveralindividualmeasurements.Then,thispracticemaybeapplicable,butcautionisrequiredandastatisticianshouldbeconsulted.1.5Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N04
【国际标准分类号】:
【页数】:23P.;A4
【正文语种】: