Designation:D2989−01(Reapproved2016)StandardTestMethodforAcidity-AlkalinityofHalogenatedOrganicSolventsandTheirAdmixtures1ThisstandardisissuedunderthefixeddesignationD2989;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofacidityinhalogenatedorganicsolventsandadmixturesthereof.ThealkalinitymaybedeterminedutilizingTestMethodsD2106,bysubstitutingtheendpointmeasuredatpH7bybromothymolblueorpHmeter.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection7.2.ReferencedDocuments2.1ASTMStandards:2D2106TestMethodsforDeterminationofAmineAcidAcceptance(Alkalinity)ofHalogenatedOrganicSolventsD2110TestMethodforpHofWaterExtractionsofHaloge-natedOrganicSolventsandTheirAdmixtures3.SummaryofTestMethod3.1Asampleofhalogenatedsolventoradmixtureismea-suredforpHusingTestMethodD2110.IfthepHofthesampleisabove7.0,thealkalinityisdeterminedusingTestMethodsD2106(toanendpointofpH7).IfthepHisbelow7.0,thefreeacidcontentofthehalogenatedorganicsolventoradmix-tureisdeterminedafterwaterextractionusingProcedureA,orcanbedetermineddirectlyusingProcedureB.3.1.1ProcedureA,usingglasselectrodepHmeter,or3.1.2ProcedureB,anhydrousmethanolicsodiumhydroxidetitration.4.SignificanceandUse4.1Thistestmethodcanbeusedtoestablishmanufacturingandpurchasingspecifications.Itcanalsobeusedtodeterminetheconditionofsolventsinuse.5.Apparatus5.1SeparatoryFunnel,250mL.5.2...
