Designation:D167−12aStandardTestMethodforApparentandTrueSpecificGravityandPorosityofLumpCoke1ThisstandardisissuedunderthefixeddesignationD167;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofapparentspecificgravity(Sections2to9)andtruespecificgravity(Sections10to13)oflumpcokelargerthan25-mm(1-in.)sizeandcalculatingporosity(Section14)fromthespecificgravitydata.1.2ThevaluesgiveninSIunitsshallberegardedasthestandard.Inch-poundunitsshallbeacceptedonanequivalentbasis.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D121TerminologyofCoalandCokeD346PracticeforCollectionandPreparationofCokeSamplesforLaboratoryAnalysis3.Terminology3.1Fordefinitionsoftermsusedinthistestmethod,refertoD121TerminologyofCoalandCoke.4.SignificanceandUse4.1Apparentandtruespecificgravity,asdeterminedbythistestmethod,areinfluencedbythetypeofcoalscarbonizedandtheoperatingandpreparationalconditionsofthatcarbonization,thatis,chargebulkdensity,heatingrate,andpulverizationlevel.Inturn,thesepropertiesdirectlyinfluencetheperformanceinprocessesusingcoke.APPARENTSPECIFICGRAVITY5.Apparatus5.1Theapparatusforthedeterminationoftheapparentspecificgravityofcokeshallconsistofthefollowing:5.1.1AnEllipticalorRectangularCross-SectionedContainer,approximately560mm(22in.)inlength,280mm(11in.)inwidth,andaminimumof330mm(13in.)inheight,providedwithaspoutconsistingofashort13-mm(1⁄2-in.)nippleextendinghorizontallyfromthecontainerabout270mm(101⁄2in.)abovethebottom.5.1.2WireCageorBasket,ofabout13-mm(1⁄2-in.)square-meshscreenwireclothprovidedw...
