Designation:D367–94(Reapproved2000)e1AmericanAssociationStateHighwayandTransportationOfficialsStandardAASHTONo.T81StandardTestMethodforXylene-InsolubleMatterinCreosote1ThisstandardisissuedunderthefixeddesignationD367;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.e1NOTE—KeywordswereaddededitoriallyinMarch2000.1.Scope1.1Thistestmethodcoversthedeterminationofthexylene-insolublematterincreosoteandcreosote-coaltarsolution.Sincethismethodisempirical,strictadherencetoalldetailsoftheprocedureisnecessaryforcloseagreementofresultsamonglaboratories.1.1.1TestMethodsD38coversthesamplingofwoodpreservativespriortotesting.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D38TestMethodsforSamplingWoodPreservativesPriortoTesting2D370TestMethodforDehydrationofOil-TypePreserva-tives2D845SpecificationforFive-DegreeXylene33.SummaryofTestMethod3.1Thesampleisdigestedinhotxyleneandfiltered.Theinsolublematteriswashed,dried,andweighed.4.SignificanceandUse4.1Thetestisusefulinevaluatingandcharacterizingcreosoteandasoneelementinestablishingtheuniformityofshipmentsandsourcesofsupply.5.ApparatusandMaterials5.1FilteringCrucibles,porcelainwithfine-porositybottom40-mLcapacity,highform,maximumporediameter,7µm4.5.2FilterApparatus,FilterFlaskandTube,withcrucibleadapter,andmeansforproducingavacuum.5.3DiatomaceousSilicaAnalyticalFilter5,shallbedriedtoaconstantweightat105°Candstoredintightlystopperedcontainer.(Anyothergradeoffilteringmediumshouldnotbeusedbecauseporositiesdiffer.)5.4BalanceandWeights,accurateto0.5mg.5.5Xylene,five-degreedistillationrange,conformingtoSp...
