Designation:E1447−09(Reapproved2016)StandardTestMethodforDeterminationofHydrogeninTitaniumandTitaniumAlloysbyInertGasFusionThermalConductivity/InfraredDetectionMethod1ThisstandardisissuedunderthefixeddesignationE1447;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodappliestothedeterminationofhydro-genintitaniumandtitaniumalloysinconcentrationsfrom0.0006%to0.0260%.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazards,seeSection9.2.ReferencedDocuments2.1ASTMStandards:2C696TestMethodsforChemical,MassSpectrometric,andSpectrochemicalAnalysisofNuclear-GradeUraniumDi-oxidePowdersandPelletsE50PracticesforApparatus,Reagents,andSafetyConsid-erationsforChemicalAnalysisofMetals,Ores,andRelatedMaterialsE135TerminologyRelatingtoAnalyticalChemistryforMetals,Ores,andRelatedMaterialsE1601PracticeforConductinganInterlaboratoryStudytoEvaluatethePerformanceofanAnalyticalMethodE1914PracticeforUseofTermsRelatingtotheDevelop-mentandEvaluationofMethodsforChemicalAnalysis(Withdrawn2016)33.Terminology3.1Definitions—Fordefinitionsoftermsusedinthistestmethod,seeTerminologyE135andE1914.4.SummaryofTestMethod4.1Thespecimen,containedinasmall,single-usegraphitecrucible,isfusedunderaflowingcarriergasatmosphere.Hydrogenpresentinthesampleisreleasedasmolecularhydrogenintotheflowinggasstream.Thehydrogenissepa-ratedfromotherliberatedgasessuchascarbonmonoxideandfinallymeasuredinathermalconductivitycell.4.2Alternatively,hydrogenisconvertedtowaterbypassingthegasstreamov...