Designation:D1274–95(Reapproved2000)StandardTestMethodsforChemicalAnalysisofPentachlorophenol1ThisstandardisissuedunderthefixeddesignationD1274;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthedeterminationofthechemicalanalysisofpentachlorophenolforuseinthepreser-vativetreatmentofwood.1.1.1TestMethodD38coversthesamplingofwoodpreservativespriortotesting.1.2Theanalyticalproceduresappearinthefollowingorder:SectionsTotalAcidity6and7Alkali-InsolubleMaterial8and9FreezingPoint101.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D38TestMethodsforSamplingWoodPreservativesPriortoTesting2D1193SpecificationforReagentWater3D1272SpecificationforPentachlorophenol22.2OtherStandard:AWPAA5StandardMethodsforAnalysisofOil-BornePreservatives43.SummaryofTestMethods3.1Pentachlorophenol—Ameasuredsampleisdissolvedinmethanol.ThephenolistitratedwithastandardsolutionofSodiumHydroxide.3.2SodiumHydroxideInsolubleMatter—Aweighedsampleisdigestedin0.1NNaOHandfiltered.Theresidueisdriedandweighed.3.3FreezingPoint—Asampleisheatedinanenameledcupornickeltubeto10°Cabovetheexpectedmeltingpoint,thengraduallycooled,andthemeltingpointmeasuredbyastan-dardizedthermometer.4.SignificanceandUse4.1PentachlorophenolforuseinthepreservativetreatmentofwoodmustconformwithSpecificationD1272.5.Reagents5.1PurityofReagents—Reagentgradechemicalsshallbeusedinalltests.Unlessotherwiseindicated,itisintendedthatallreagentsshallconformtothespecificationsoftheCommit-teeonAnalyticalReagentsoftheAmericanChemicalSociety,wheresuchspecificationsareavailable.5Othergr...