Designation:F1782–97(Reapproved2002)StandardPracticeforAmountofInkDepositonFabricTypeRibbons1ThisstandardisissuedunderthefixeddesignationF1782;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthedeterminationoftheamountofinkdeposit,sometimesknownasinkcontent,oninkedfabricribbons.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.See6.1and9.4forspecificprecautionarystatements.2.ReferencedDocuments2.1ASTMStandards:D685PracticeforConditioningPaperandPaperProductsforTesting2F221TerminologyRelatingtoCarbonPaperandInkedRibbonProductsandImagesMadeTherefrom23.Terminology3.1Fordefinitionsoftermsusedinthistestmethod,refertoTerminologyF221.4.SummaryofPractice4.1Theamountofinkdepositisgravimetricallydeterminedbyanalyticallyweighingaconditionedtestspecimen.Theinkdepositisremovedbytheuseofasuitablesolvent(s)inanultrasoniccleaner.Thede-inkedfabricsampleisconditionedandreweighed.Theamountofinkdepositiscalculated.5.Apparatus5.1AnalyticalBalance,withasensitivityto0.1mg.5.2UltrasonicBath,withorwithoutheater.6.Reagents6.1Careshouldbetakentoselecttheextractionsolvent(s)sothatonlytheinkisremovedfromsubstrates.Warning—Vaporsfromsolventscanbetoxicwheninhaledoverpro-longedperiods.Somesolventscommonlyusedmaybelistedascarcinogenic.Othersareflammableandsuitableprecautionsshouldbetaken.Handlewithcareanduseonlyinproperlyventilatedareastoavoidbreathingvapors.Afumehoodisrecommended.7.Conditioning7.1Allowthetestspecimentostabilizeunderroomcondi-tionsfor15minforroutinetesting.7.2Allowthetestspecimentocondition1hat23.062.0°Cand5062%relativehumidityforamoreprecisedetermina-tion...