Designation:E1770−14StandardPracticeforOptimizationofElectrothermalAtomicAbsorptionSpectrometricEquipment1ThisstandardisissuedunderthefixeddesignationE1770;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheoptimizationofelectrothermalatomicabsorptionspectrometersandthecheckingofspectrom-eterperformancecriteria.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E50PracticesforApparatus,Reagents,andSafetyConsid-erationsforChemicalAnalysisofMetals,Ores,andRelatedMaterialsE135TerminologyRelatingtoAnalyticalChemistryforMetals,Ores,andRelatedMaterialsE876PracticeforUseofStatisticsintheEvaluationofSpectrometricData(Withdrawn2003)3E1184PracticeforDeterminationofElementsbyGraphiteFurnaceAtomicAbsorptionSpectrometryE1452PracticeforPreparationofCalibrationSolutionsforSpectrophotometricandforSpectroscopicAtomicAnaly-sis(Withdrawn2005)33.Terminology3.1Fordefinitionsoftermsusedinthistestmethod,refertoTerminologyE135.4.SignificanceandUse4.1Thispracticeisforoptimizingtheparametersusedinthedeterminationoftraceelementsinmetalsandalloysbytheelectrothermalatomicabsorptionspectrometricmethod.Italsodescribesthepracticeforcheckingthespectrometerperfor-mance.Theworkisexpectedtobeperformedinaproperlyequippedlaboratorybytrainedoperatorsandappropriatedisposalproceduresaretobefollowed.5.Apparatus5.1AtomicAbsorptionSpectrometerwithElectrothermalAtomizer,equippedwithanappropriatebackgroundcorrector,asignaloutputdevicesuchasavideodisplayscreen(VDS),adigitalcomputer,aprinter,anda...
