Designation:D8266−19StandardTestMethodforAnalysisofBisphenolA(4,4'-Isopropylidenediphenol)byHighPerformanceLiquidChromatography1ThisstandardisissuedunderthefixeddesignationD8266;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThistestmethodcoversthedeterminationoftraceimpuritiesinbisphenolA(4,4'-Isopropylidenediphenol)byreverse-phasegradienthighperformanceliquidchromatogra-phy(HPLC).ItisgenerallymeantfortheanalysisofbisphenolAof99.5%orgreater.1.2ThismethodisapplicabletobisphenolAsamplescontainingimpurityconcentrationbetween2and400mg/kg.Usersofthismethodbelieveitislinearoverawiderrange.1.3Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecification,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeSection8.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D4297PracticeforSamplingandHandlingBisphenolA(4,4'-Isopropylidinediphenol)D6809GuideforQualityControlandQualityAssuranceProceduresforAromaticHydrocarbonsandRelatedMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE691PracticeforConductinganInterlaborat...
