Designation:E1228−17StandardTestMethodforAssayofPeroxyEsters—CatalyzedIodometricProcedure1ThisstandardisissuedunderthefixeddesignationE1228;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoverstheassayoforganicperoxidesoftheperoxyestertype.NOTE1—OthertestmethodsfortheassayoforganicperoxidesaregiveninTestMethodsE298,E475,andE755.1.2Reviewthecurrentsafetydatasheets(SDS)fordetailedinformationconcerningtoxicity,firstaidprocedures,andsafetyprecautions.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Nootherunitsofmeasurementareincludedinthistestmethod.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection9.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD6809GuideforQualityControlandQualityAssuranceProceduresforAromaticHydrocarbonsandRelatedMa-terialsE180PracticeforDeterminingthePrecisionofASTMMethodsforAnalysisandTestingofIndustrialandSpe-cialtyChemicals(Withdrawn2009)3E200PracticeforPreparation,Standardization,andStorageofStandardandReagentSolutionsforChemicalAnalysisE298TestMethodsforAssayofOrganicPeroxidesE475TestMethodforAssayofDi-tert-ButylPeroxideUsingGasChromatographyE755TestMethodforDicumylPeroxide,Assay(LiquidChromatography)(Withdrawn2016)33.Terminology3.1Definitions:3.1.1activeoxygen—the...
