Designation:E2529−06(Reapproved2014)StandardGuideforTestingtheResolutionofaRamanSpectrometer1ThisstandardisissuedunderthefixeddesignationE2529;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideisdesignedforroutinetestingandassess-mentofthespectralresolutionofRamanspectrometersusingeitheralow-pressurearclampemissionlinesoracalibratedRamanbandofcalcite.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Becauseofthesignificantdangersassociatedwiththeuseoflasers,ANSIZ136.1shallbefollowedinconjunctionwiththispractice.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E131TerminologyRelatingtoMolecularSpectroscopyE1683PracticeforTestingthePerformanceofScanningRamanSpectrometersE1840GuideforRamanShiftStandardsforSpectrometerCalibration2.2ANSIStandard:3ANSIZ136.1SafeUseofLasers3.Terminology3.1Definitions—TerminologyusedinthisguideconformstothedefinitionsinTerminologyE131.4.SignificanceandUse4.1Assessmentofthespectrometerresolutionandinstru-mentlineshape(ILS)functionofaRamanspectrometerisimportantforintercomparabilityofspectraobtainedamongwidelyvaryingspectrometersystems,ifspectraaretobetransferredamongsystems,ifvarioussamplingaccessoriesaretobeused,orifthespectrometercanbeoperatedatmorethanonelaserexcitationwavelength.4.2Low-pressuredischargelamps(penlampssuchasmercury,argon,orneon)providealow-costmeanstoprovidebothresolutionandwavenumbercalibrationforavarietyofRamansystemsoveranextendedwavelengthrange.4.3Thereareseveraldisadvantagesintheuseofemissionlinesforthispurp...