Designation:F1945−05(Reapproved2011)StandardPracticeforDeterminingtheLightfastnessofInkJetPrintsExposedtoIndoorFluorescentLighting1ThisstandardisissuedunderthefixeddesignationF1945;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversanacceleratedprocedureintendedtodeterminethelightfastnessofinkjetprintsinofficeenvironmentswhereoverheadfluorescentlightisusedforillumination.1.2ThispracticedescribestwomethodsbasedonMethodIIandMethodIIIfromD4674,inwhichspecimensareexposedtocoolwhiteVHOfluorescentlamps(MethodII)andcoolwhitefluorescentlamps(MethodIII)undercontrolledenviron-mentalconditions.1.3Twocriteriaareusedtodeterminerelativelightfastness:colorchangeandopticaldensity.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection8.1.5ThereisnoknownISOequivalentstandard.2.ReferencedDocuments2.1ASTMStandards:2D1729PracticeforVisualAppraisalofColorsandColorDifferencesofDiffusely-IlluminatedOpaqueMaterialsD2244PracticeforCalculationofColorTolerancesandColorDifferencesfromInstrumentallyMeasuredColorCoordinatesD3424PracticeforEvaluatingtheRelativeLightfastnessandWeatherabilityofPrintedMatterD4674PracticeforAcceleratedTestingforColorStabilityofPlasticsExposedtoIndoorOfficeEnvironmentsG113TerminologyRelatingtoNaturalandArtificialWeath-eringTestsofNonmetallicMaterialsG141GuideforAddressingVariabilityinExposureTestingofNonmetallicMaterialsG151PracticeforExposingNonmetallicMaterialsinAccel-eratedTestDevicesthatUseLaboratoryLightSourcesG154PracticeforOperatingFluorescentLightApparatusforUVExposureofNonmetallicMaterials2.2AN...
