【英文标准名称】:StandardPracticeforInclusionofPrecisionStatementVariationinSpecificationLimits
【原文标准名称】:在规范限定内严密语句变更范围的标准实施规程
【标准号】:ASTMD6607-2000(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:D04.94
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Precision;Specificationpreparation;Inclusion(ofprecisionstatementvariation);Pavementsurfaces--specifications
【摘要】:Eachtestmethodhasalimitedprecision.Evenifatestisperformedascarefullyandascorrectlyaspossibleonamaterialwhichisashomogeneousascanbeobtained,thetestwillstillvaryfromonetoanother.Awidelyusedmeasureofthevariationofthetestresultsfromatestmethodisthestandarddeviation(x03C3;).InanASTMstandardtest,thestandarddeviationofthetestmethodcanbefoundinthePrecisionandBiasstatementforthetest.Thex201C;BlueBook,x201D;FormandStyleforASTMStandards,requiresthatalltestmethodsincludePrecisionandBiasstatements.PracticeC670andPracticeC802provideguidancefordeterminationofthesevalues.Iftheprecisionofatestmethodislowandtheprecisionofthetesthasnotbeenproperlyconsideredinamaterialspecification,auniformmaterialwiththerightqualitymaystillberejectedmostofthetimebecauseofthewidevariationofthetestresults.Inordertohaverationalspecificationlimits,theprecisionofthetestusedshouldbeproperlyincludedinaspecification.Thispracticeprovidesaguidelineforproperinclusionofprecisionofthetestmethodinarationalspecification.1.1Thispracticecoversamethodofdeterminingrationalspecificationlimitsbyinclusionoftheprecisionofthetestmethodusedinthespecification.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:19_020
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Analysisofironores-Methodforthedeterminationofwatersolublechloridecontent-Ion-selectiveelectrodemethod
【原文标准名称】:铁矿石分析.第20部分:水溶氯化物含量的测定方法:离子选择电极法
【标准号】:BS7020-20-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-10-31
【实施或试行日期】:1990-10-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;化学分析和试验;氯化物;铁矿石;矿物;含量测定
【英文主题词】:Chemicalanalysisandtesting;Chlorides;Determinationofcontent;Ironores;Minerals;Testing
【摘要】:ThisInternationalStandardspecifiesanion-selectiveelectrodemethodforthedeterminationofthewatersolublechloridecon-tentofironores.Thismethodisapplicabletoaconcentrationrangeof0,005%(m/m)to0,1%(m/m)ofwatersolublechlorideinnaturalironores,andconcentratesandag-glomeratesincludingsinterproducts.NOTE—Watersolublechlorideisthatpartofthechloridecontentofanironoreextractablebyleachingwithaqueoussolutionundersubstantiallyneutralconditions.
【中国标准分类号】:D31
【国际标准分类号】:73_060_10
【页数】:16P;A4
【正文语种】:英语