【英文标准名称】:StandardPracticeforSamplingandSamplePreparationofIronOresandRelatedMaterialsforDeterminationofChemicalComposition
【原文标准名称】:化学成分测定用铁矿石及有关材料的取样和样品制备的标准实施规程
【标准号】:ASTME877-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E01.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:crush;division;dry;grind;ironore;pulverize;samplepreparation;sampling;Ironores--chemicalanalysis;Samplepreparation--ironores;Specimenpreparation(fortesting)--metals/alloys;Mechanicalsamplingsystems;Samplingmetals/alloys;Stoppedbe
【摘要】:Thispracticeistobeusedforsamplingandsamplepreparationofironoresandrelatedmaterials,priortouseofarefereemethodfortestingforcompliancewithcompositionalspecificationsformetalcontentorphysicalproperties.Itisassumedthatallwhousethisprocedurewillbetrainedanalystscapableofperformingcommonlaboratorypracticesskillfullyandsafely.Itisexpectedthatworkwillbeperformedinaproperlyequippedlaboratoryandthatproperwastedisposalprocedureswillbefollowed.Appropriatequalitycontrolpracticesmustbefollowed,suchasthosedescribedinGuideE882.Adequatemethodsforobtainingrepresentativesamplesfortestingthechemicalandphysicalpropertiesofaconsignmentofironoreareessential.Thesaleandusearedependentonthechemicalorphysicalproperties,orboth,ofanore.Thecriteriatopreventbiasmaybeusedforbothdesignofasamplingsystemandincheckingthedesignofanexistingsystem.1.1Thispracticecoversproceduresformechanicalsamplingofironoresandrelatedmaterialsinafallingstreamorstopped-beltsamplingandpreparingthegrosssampletothevarioustestsamplesrequiredforeachcharacteristictobemeasured.IncludedasAnnexesare(1)designcriteriatopreventbias,(2)statisticalmethodstodeterminequalityvariationandprecisionsofsamplinganddivision,and(3)amethodforcomparingtwosamplingproceduresforpossiblesystematicdifferences.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection8.
【中国标准分类号】:D31
【国际标准分类号】:73_060_10
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforVolatileMatterintheAnalysisSampleofCoalandCoke
【原文标准名称】:煤和焦炭分析样品中挥发性物质的标准试验方法
【标准号】:ASTMD3175-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分析;煤;焦炭;含量测定;燃料;抽样方法;固体燃料;试样;测试;挥发物测定
【英文主题词】:coal/cokeproducts;coke;fixedcarbon;heatingtests-coal/coke;platinumcrucible;proximateanalysis-coal/coke;volatilemattercontent-coal/coke;volatilematterinanalysissampleofcoal/coke
【摘要】:Volatilematter,whendeterminedashereindescribed,canbeusedtoestablishtherankofcoals,toindicatecokeyieldoncarbonizationprocess,toprovidethebasisforpurchasingandselling,ortoestablishburningcharacteristics.1.1Thistestmethoddeterminesthepercentageofgaseousproducts,exclusiveofmoisturevapor,intheanalysissamplewhicharereleasedunderthespecificconditionsofthetest.1.2Thistestmethodfordeterminationofvolatilematterisempirical;becauseofitsempiricalnature,strictadherencetobasicprincipalsandpermissibleproceduresisrequiredtoobtainvalidresults.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.
【中国标准分类号】:D20
【国际标准分类号】:75_160_10
【页数】:5P.;A4
【正文语种】: