Designation:D4017−02(Reapproved2015)StandardTestMethodforWaterinPaintsandPaintMaterialsbyKarlFischerMethod1ThisstandardisissuedunderthefixeddesignationD4017;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodisapplicabletoallpaintsandpaintmaterials,includingresins,monomers,andsolvents,withtheexceptionofaldehydesandcertainactivemetals,metaloxides,andmetalhydroxides.Whiletheevaluationwaslimitedtopigmentedproductscontainingamountsofwaterinthe30to70%range,thereisreasontobelievethathigherandlowerconcentrationscanbedeterminedbythistestmethod.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection7.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD3960PracticeforDeterminingVolatileOrganicCompound(VOC)ContentofPaintsandRelatedCoatingsE180PracticeforDeterminingthePrecisionofASTMMethodsforAnalysisandTestingofIndustrialandSpe-cialtyChemicals(Withdrawn2009)3E203TestMethodforWaterUsingVolumetricKarlFischerTitration2.2OtherStandard:EPAFederalReferenceMethod24DeterminationofVolatileMatterContent,Density,VolumeSolids,andWeightSolidsofSurfaceCoatings43.SummaryofTestMethod3.1Thematerialisdissolvedinasuitablesolvent,andtitrateddirectlywithstandardizedKarlFischerreagent,toanelectrometricendpoint.Thesluggishreactionwithwaterinpyridineisacceleratedwithachemicalcatalyst,1-ethylpiperidine.3.1.1KarlFischerreagentisamixtureofiodine,amine,sulf...
