ASTM UOP999-2005 UOP方法的精密度说明

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【英文标准名称】:PrecisionStatementsinUOPMethods
【原文标准名称】:UOP方法的精密度说明
【标准号】:ASTMUOP999-2005
【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】:
【标准类型】:(UOP)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThismethodisfordevelopingprecisionstatementsasreportedinUOPmethodsandrelativebiasofthesamemethodbetweendifferentlaboratories.Thecalculationofprecision,intermsofrepeatabilityandintermediateprecision(withinalaboratory),reproducibility(betweenlaboratories)andrelativebias(betweenlaboratories)isdescribed.Precisionstatementsinmethodshavinga98orlatersuffixweredevelopedbytheproceduredescribed;methodshavingan88through97suffixusedUOP888-88,whilemethodswithsuffixesearlierthan88usedUOP666-82.ThefeaturesofUOP999areasfollows:Minimumof16analysesrequiredwithemphasisonmultipleconcentrationlevelsBetteridentificationofthecomponentsofvariationandrepeatabilityestimatesAlignmentwithASTMrepeatability,intermediateprecision,andreproducibilitydefinitionsRelativebiasbetweenlaboratorieswith95%confidenceintervalUOP999istheminimumguidelineforestimatingtheinitialprecisionforneworrevisedmethods.Onceaneworrevisedmethodisinuse,areferencesample,ifavailable,shouldberunonaregularbasis.When16analyseshavebeencompleted,individualandrangecontrolchartsaretobeusedtoestimatethelong-termUOPrepeatabilityandaretobemaintainedonanongoingbasis.TheexamplecalculationsinUOP999aremadeusingMinitab?astatisticalsoftwarepackage.ThedetailsofthecalculationsareinUOP999-97Supplement.
【中国标准分类号】:
【国际标准分类号】:
【页数】:17P.;A4
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