Designation:D3760−13StandardTestMethodforAnalysisofIsopropylbenzene(Cumene)byGasChromatography1ThisstandardisissuedunderthefixeddesignationD3760;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofthepurityofisopropylbenzene(cumene)bygaschromatography.1.2Thistestmethodhasbeenfoundapplicabletothemeasurementofimpuritiessuchasnonaromatichydrocarbons,benzene,ethylbenzene,t-butylbenzene,n-propylbenzene,alpha-methylstyrene,sec-butylbenzene,anddiisopropylbenzene,whicharecommontothemanufacturingprocessofisopropylbenzene.Limitofdetectionfortheseimpuritiesis10mg/kg(see5.1).Thismethodhasbeenfoundapplicableforconcentrationsofvariouscomponentsupto571ppm.1.3Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.2.ReferencedDocuments2.1ASTMStandards:2D3437PracticeforSamplingandHandlingLiquidCyclicProductsD6809GuideforQualityControlandQualityAssuranceProceduresforAromaticHydrocarbonsandRelatedMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE260PracticeforPackedColumnGasChromatographyE355PracticeforGasChromatographyTermsandRelation-shipsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodE1510PracticeforInstallingFusedSilicaOpenTubularCapillaryColumnsinGasChromatographs2...
