Designation:D3160−16StandardTestMethodforPhenolContentofCumene(Isopropylbenzene)orAMS(α–Methylstyrene)1ThisstandardisissuedunderthefixeddesignationD3160;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofphenolinrefinedcumene(isopropylbenzene)orAMS(α–methylstyrene).1.2Thistestmethodhasbeenfoundapplicableintherangefrom5to50mg/kgofphenolinrefinedcumene(isopropyl-benzene)orAMS(α–methylstyrene).1.3Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD3437PracticeforSamplingandHandlingLiquidCyclicProductsD6809GuideforQualityControlandQualityAssuranceProceduresforAromaticHydrocarbonsandRelatedMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod2.2OtherDocument:OSHARegulations,29CFRparagraphs1910.000and1910,120033.SummaryofTestMethod3.1ThephenolcontentofcumeneorAMSisdeterminedbythecolordevelopmentofphenolwith4-aminoantipyrine.Thesampleabsorbanceiscomparedtophenolstandardsat472nmonaspectrophotometer.4.SignificanceandUse4.1Thistestmethodisusefulindeterminingphenolintherangefrom5to50mg/kgincommerciallyavailablecumeneorAMS.4.2Phenolwillin...
