Designation:D7959−19AnAmericanNationalStandardStandardTestMethodforChlorideContentDeterminationofAviationTurbineFuelsusingChlorideTestStrip1ThisstandardisissuedunderthefixeddesignationD7959;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversarapidmeansofdeterminingchloridecontentofaviationturbinefuel.Thismethodologyisapplicableforchlorideconcentrationsbetween0mg⁄Lto0.5mg⁄L.Thismethodologywillnotdetectchlorineoriginat-ingfromchlorinatedorganiccompounds(thatis,covalentbond).1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D6300PracticeforDeterminationofPrecisionandBiasDataforUseinTestMethodsforPetroleumProductsandLubricants2.2ASTMAdjuncts:DistillateFuelBarChart33.SummaryofTestMethod3.1A3LsampleofaviationturbinefuelisextractedwithpH7buffersolutionbyamagneticstirplateandstirbar.Thechlorideintheaviationturbinefuelsampletransferstothebuffersolution.Aportionoftheaqueousextractsolutionisthenremovedandanalyzedwithachlorideteststrip.Silverionswithintheteststripcombinewithchlorideionsintheextractasitisdrawnupbycapillaryactiontoformawhitecolumnofsilverchloride.Thechlorideconcentrationoftheextract,determinedbytheheig...
