Designation:D5713−14StandardTestMethodforAnalysisofHighPurityBenzeneforCyclohexaneFeedstockbyCapillaryGasChromatography1ThisstandardisissuedunderthefixeddesignationD5713;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofspecificimpuritiesin,andthepurityofbenzeneforcyclohexanefeedstockbygaschromatography.1.2Thistestmethodhasbeenfoundapplicabletobenzeneintherangefrom99to100%purityandtoimpuritiesatconcentrationsof2to10000mg/kg.1.3Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see7.2andSection8.2.ReferencedDocuments2.1ASTMStandards:2D3437PracticeforSamplingandHandlingLiquidCyclicProductsD4790TerminologyofAromaticHydrocarbonsandRelatedChemicalsD6809GuideforQualityControlandQualityAssuranceProceduresforAromaticHydrocarbonsandRelatedMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE260PracticeforPackedColumnGasChromatographyE355PracticeforGasChromatographyTermsandRelation-shipsE1510PracticeforInstallingFusedSilicaOpenTubularCapillaryColumnsinGasChromatographs2.2OtherDocument:OSHARegulations,29CFRparagraphs1910.1000and1910.120033.Terminology3.1Definitions:3.1.1SeeTerminologyD4790fordefinitionoftermsusedinthistestmethod.4.SummaryofTestMethod4.1Inthistestmethod,thechromatogrampeakareaforeachimpuri...