Designation:D1394−76(Reapproved2014)StandardTestMethodsforChemicalAnalysisofWhiteTitaniumPigments1ThisstandardisissuedunderthefixeddesignationD1394;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodscoverproceduresforthechemicalanalysisofwhitetitaniumdioxidepigments.1.2Theanalyticalproceduresappearinthefollowingorder:SectionsPreparationofSample4QualitativeAnalysis5and6Moisture7TotalTitanium:JonesReductorMethod8–12AluminumReductionMethod13–17AluminumOxide18–22Silica23–291.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.AspecifichazardstatementisgiveninSection19.2.ReferencedDocuments2.1ASTMStandards:2D280TestMethodsforHygroscopicMoisture(andOtherMatterVolatileUndertheTestConditions)inPigmentsD1193SpecificationforReagentWaterE50PracticesforApparatus,Reagents,andSafetyConsid-erationsforChemicalAnalysisofMetals,Ores,andRelatedMaterials3.Reagents3.1PurityofReagent—Reagentgradechemicalsshallbeusedinalltests.Unlessotherwiseindicated,itisintendedthatallreagentsshallconformtothespecificationsoftheCommit-teeonAnalyticalReagentsoftheAmericanChemicalSociety,wheresuchspecificationsareavailable.3Othergradesmaybeused,provideditisfirstascertainedthatthereagentisofsufficientlyhighpuritytopermititsusewithoutlesseningtheaccuracyofthedetermination.3.2Unlessotherwiseindicated,referencestowatershallbeunderstoodtomeanreagentwaterconformingtoTypeIVofSpecificationD1193.4.PreparationofSample4.1T...
