Designation:D293/D293M−18StandardTestMethodfortheSieveAnalysisofCoke1ThisstandardisissuedunderthefixeddesignationD293/D293M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribestheseparationofacokesampleintodefinedsizefractionsandexpressingsaidfractionsasamass[weight]percentofthegrosssample.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D346/D346MPracticeforCollectionandPreparationofCokeSamplesforLaboratoryAnalysisD4621GuideforQualityManagementinanOrganizationThatSamplesorTestsCoalandCoke(Withdrawn2010)3E11SpecificationforWovenWireTestSieveClothandTestSievesE323SpecificationforPerforated-PlateSievesforTestingPurposes3.SignificanceandUse3.1Thistestmethoddeterminesthesizedistributionofcokeforconformancetospecificationsofpercentagesretainedondesignatedscreensizes.4.Apparatus4.1Sieves—Usesquare-holesievesconformingtoSpecifi-cationE11.Wheresieveslargerthan100mm[4in.]arerequired,thespecificationsforsameshallbebymutualagreementbetweeninterestedparties...
