Designation:D3160−20aStandardTestMethodforPhenolContentofCumene(Isopropylbenzene)orAMS(α–Methylstyrene)1ThisstandardisissuedunderthefixeddesignationD3160;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofphenolinrefinedcumene(isopropylbenzene)orAMS(α–methylstyrene).1.2Thistestmethodhasbeenfoundapplicableintherangefrom5to50mg/kgofphenolinrefinedcumene(isopropyl-benzene)orAMS(α–methylstyrene).Thelimitofdetection(LOD)is0.9mg/kgandthelimitofquantitation(LOQ)is2.9mg⁄kg.NOTE1—LODandLOQwerecalculatedusingintermediateprecisionforthelowestlevelintheILS.1.3Thefollowingappliesforthepurposesofdeterminingtheconformanceofthetestresultsusingthistestmethodtoapplicablespecifications,resultsshallberoundedoffinaccor-dancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD3437PracticeforSamplingandHandlingLiquidCyclicProductsD6809GuideforQualityControlandQualityAssuranceProceduresforAromaticHydrocarbonsandRelatedMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewi...