Designation:C324−01(Reapproved2014)StandardTestMethodforFreeMoistureinCeramicWhitewareClays1ThisstandardisissuedunderthefixeddesignationC324;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoffreemoistureinceramicwhitewareclays.Whitewareclaysmaybeshippedasabulkshipmentinlumps,abulkshipmentofshreddedorcoarselygroundclay,orinbaggedlotsofgroundorairfloatedclay.Directionsaregiveninthistestmethodforobtainingrepresentativesamplesoftheclayshipmenttobeusedinsubsequenttestsforthepropertiesoftheclayintheshipment.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C332SpecificationforLightweightAggregatesforInsulat-ingConcrete3.Sampling3.1ThesampleshallbeobtainedinaccordancewithSpeci-ficationC332.Thesamplesubmittedfortestingshallweighnotlessthan1000gandshallbekeptinanairtightcontainertopreventlossofwaterbeforetesting.4.Procedure4.1Removethesampleofclayfromitscontainer.Weighabout500gofthesampletothenearest0.1g.Spreadouttheweighedportionofthesampleinaweighedshallowmetalorporcelaincontainer,anddryat100to110°Cfor24hinadryingoven.Reweighthedriedclay,asquicklyaspossible,tothenearest0.1g.5.Calculation5.1Calculatethepercentageoffreemoisturetothenearest0.1%asfollows:Freemoisture,dryweightbasis,%5@~A2B!/B#3100(1)Freemoisture,wetweightbasis,%5@~A2B!/A#3100(2)where:A=“as-received”weightoftheportionofthesampleusedandB=weightofsampleafterdrying.6.Keywords6.1ceramicwhitewareclays;freemoistureASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentionedinthisstand...
