Designation:D7058−19StandardTestMethodforDeterminationoftheRedDyeConcentrationandEstimationofSayboltColorofAviationTurbineFuelsandKerosineUsingaPortableVisibleSpectrophotometer1ThisstandardisissuedunderthefixeddesignationD7058;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1ThistestmethodcoversthedeterminationofthereddyeconcentrationofaviationturbinefuelandkerosineandtheestimationoftheSayboltcolorofundyedandreddyed(<0.750mg⁄LofSolventRed26equivalent)aviationturbinefuelandkerosine.ThetestmethodisappropriateforusewithaviationturbinefuelandkerosinedescribedinSpecificationsD1655andD3699.Reddyeconcentrationsaredeterminedatlevelsequivalentto0.026mg⁄Lto0.750mg⁄LofSolventRed26insampleswithSayboltcolorsrangingfrom+30to–16.TheSayboltcolorofthebasefuelforsamplesdyedredwithconcentrationlevelsequivalentto0.026mg⁄Lto0.750mg⁄LofSolventRed26isestimatedintheSayboltColorrange+30to–16.TheSayboltColorforundyedsamplesisestimatedintheSayboltcolorrangefrom+30to–16.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D156TestMethodforSayboltColorofPetroleumProducts(SayboltChromometerMethod)D1319TestMethodforHydrocarbonTypesinLiquidPetro-leumP...
