Designation:D5776−14aStandardTestMethodforBromineIndexofAromaticHydrocarbonsbyElectrometricTitration1ThisstandardisissuedunderthefixeddesignationD5776;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethoddeterminestheamountofbromine-reactivematerialinaromatichydrocarbonsandisthusameasureoftraceamountsofunsaturatesinthesematerials.Itisapplicabletomaterialshavingbromineindexesbelow35.Materialswithahigherbromineindexcanbeanalyzedbythismethod;however,theprecisionsectiondoesnotapply.1.2Thistestmethodisapplicabletoaromatichydrocarbonscontainingnomorethantraceamountsofolefinsandthataresubstantiallyfreefrommateriallighterthanisobutaneandhaveadistillationendpointunder288°C.1.3Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.ForaspecifichazardstatementseeSection8.2.ReferencedDocuments2.1ASTMStandards:2D1159TestMethodforBromineNumbersofPetroleumDistillatesandCommercialAliphaticOlefinsbyElectro-metricTitrationD1193SpecificationforReagentWaterD3437PracticeforSamplingandHandlingLiquidCyclicProductsD6809GuideforQualityControlandQualityAssuranceProceduresforAromaticHydrocarbonsandRelatedMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod2.2OtherDocument:OSHARegulations,29CFRpara...
