Designation:F2035−00(Reapproved2011)StandardPracticeforMeasuringtheDarkStabilityofInkJetPrints1ThisstandardisissuedunderthefixeddesignationF2035;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesanacceleratedprocedurein-tendedtodeterminethedarkstabilityofinkjetprints.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D2244PracticeforCalculationofColorTolerancesandColorDifferencesfromInstrumentallyMeasuredColorCoordinates2.2ANSIStandards:ANSI/NAPMIT9.9–1990StabilityofColorPhotographicImages—MethodsforMeasuring33.Terminology3.1Definitions:3.1.1inkjetmedia,n—recordingelementsusedbyinkjetprinterstoreceiveinks.Thesubstratemaybepaper,plastic,canvas,fabric,orotherinkreceptivematerial.Thesubstratemay,ormaynot,becoatedwithaninkreceptivelayer(s).3.1.2singleacceleratedtest,n—darkstabilitytestingatasinglesetofenvironmentalconditions,forexample50°Cand50%relativehumidity(RH).4.SummaryofPractice4.1Printedtestsamplesarecoveredwithapolyethyleneterephthalate(PET)sleeve4tosimulateanalbum,orwithasampleofthesamesampletypetosimulateastackofprints,andplacedinfoil-linedbags.Airisforcedoutofthebagsandthebagsaresealed.Thebagsareplacedindarkrecirculatingforced-airenvironmentalchambersat50°C/50%RHand24°C/50%RHandthecolorchangeofthesamplesisthenmeasuredovertime.NOTE1—Thefoilbagsserveseveralpurposes:theyprotectthesamples,theypreventanyoutgassingfromthesamplesfromcontaminatingothersamplesinthetestchamber,andtheyensurecontactofthePETorreceivertothesamples.4.2Thedurationoftheincubationmayvarywidelydepend-ingonthedarkstabilityof...
