Designation:D3256−86(Reapproved2014)StandardTestMethodsforChemicalAnalysisofPhthalocyanineBlueandGreenPigments1ThisstandardisissuedunderthefixeddesignationD3256;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverproceduresforthequalitativechemicalanalysisofpigmentsknowncommerciallyascopperphthalocyanineblueandgreen.1.2Theproceduresappearinthefollowingorder:SectionIdentification5MoistureandOtherVolatileMatter6DetectionofBasicDyeDerivatives7DetectionofOtherOrganicColoringMatter8DetectionofUltramarineBlue9DetectionofIronBlueorChromeGreen101.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D280TestMethodsforHygroscopicMoisture(andOtherMatterVolatileUndertheTestConditions)inPigmentsD1193SpecificationforReagentWater3.SignificanceandUse3.1Thesetestmethodsaresuitablefordeterminingifimpuritiesarepresentandestablishingthattherequiredpig-mentsarepresent.Thesetestmethodsmaybeusedformanufacturingandpurchasingqualitycontrol.4.Reagents4.1PurityofReagents—Reagentgradechemicalsshallbeusedinalltests.Unlessotherwiseindicated,itisintendedthatallreagentsshallconformtothespecificationsoftheCommit-teeonAnalyticalReagentsoftheAmericanChemicalSociety,wheresuchspecificationsareavailable.3Othergradesmaybeused,provideditisfirstascertainedthatthereagentisofsufficientlyhighpuritytopermititsusewithoutlesseningtheaccuracyofthedetermination.4.2PurityofWater—Unlessotherwiseindicated,referencestowatershallbeunderstoodtomeanTypeIIreage...