Designation:D1035–94AnAmericanNationalStandardStandardTestMethodsforChemicalAnalysisofFluor-Chrome-Arsenate-Phenol1ThisstandardisissuedunderthefixeddesignationD1035;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthedeterminationofthechemicalanalysisofcommercialfluor-chrome-arsenatephenol.1.1.1TestMethodD38coversthesamplingofwoodpreservativespriortotesting.1.2Theanalyticalproceduresappearinthefollowingorder:SectionsFluorine(calculatedasF)6to8Arsenic(calculatedasAs2O5)9and10Chromium(calculatedasCrO3)11and12Dinitrophenolorsodiumpentachlorophenate13and141.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D38TestMethodsforSamplingWoodPreservativesPriortoTesting2D1033MethodsofChemicalAnalysisofChromatedZincChloride3D1034SpecificationforFluor-Chrome-Arsenate-Phenol2D1193SpecificationforReagentWater43.SummaryofTestMethods3.1Fluorine—Fluorineisremovedbysteamdistillationfromanacidifiedsample.ThedistillateisneutralizedandtitratedwithastandardsolutionofThoriumNitrate.FluorineiscalculatedasF.3.2Arsenic—AdilutedsampleisacidifiedwithHydrochlo-ricandhypophosphorousacidtoprecipitatethearsenic.Thearsenicisvolatilizedbyheatinginthepresenceofsulfuricacid,whichisthendilutedwithwaterandtitratedwithastandardsolutionofPotassiumBromate.ArseniciscalculatedasAs2O5.3.3Chromium—Adilutedandchemicallytreatedsampleisreactedwithanexcessofferrousammoniumsulfate.Theunreactedferrousammoniumsulfateistitratedwithastandardsolutionofpotassiumdichromatetodeterminetheconsumedchromium.HexavalentchromiumiscalculatedasCrO3.3.4Phenol—Thesamplei...
