Designation:F1710−08StandardTestMethodforTraceMetallicImpuritiesinElectronicGradeTitaniumbyHighMass-ResolutionGlowDischargeMassSpectrometer1ThisstandardisissuedunderthefixeddesignationF1710;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofconcentra-tionsoftracemetallicimpuritiesinhighpuritytitanium.1.2Thistestmethodpertainstoanalysisbymagnetic-sectorglowdischargemassspectrometer(GDMS).1.3Thetitaniummatrixmustbe99.9weight%(3N-grade)pure,orpurer,withrespecttometallicimpurities.Theremustbenomajoralloyconstituent,forexample,aluminumoriron,greaterthan1000weightppminconcentration.1.4ThistestmethoddoesnotincludealltheinformationneededtocompleteGDMSanalyses.Sophisticatedcomputer-controlledlaboratoryequipmentskillfullyusedbyanexperi-encedoperatorisrequiredtoachievetherequiredsensitivity.Thistestmethoddoescovertheparticularfactors(forexample,specimenpreparation,settingofrelativesensitivityfactors,determinationofsensitivitylimits,etc.)knownbytherespon-sibletechnicalcommitteetoeffectthereliabilityofhighpuritytitaniumanalyses.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E135TerminologyRelatingtoAnalyticalChemistryforMetals,Ores,andRelatedMaterialsE173PracticeforConductingInterlaboratoryStudiesofMethodsforChemicalAnalysisofMetals(Withdrawn1998)3E180PracticeforDeterminingthePrecisionofASTMMethodsforAnalysisandTestingofIndustrialandSpe-cialtyChemicals(Withdrawn2009)3E691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodE1257GuideforEvaluatingGrindingMaterialsUsedforS...