Designation:E1863−07StandardTestMethodforAnalysisofAcrylonitrilebyGasChromatography1ThisstandardisissuedunderthefixeddesignationE1863;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationoftheimpu-ritiesin,andthepurityof,acrylonitrilebyflameionizationdetectorgaschromatography.Itisapplicabletoacrylonitrileintherangeof99to100%purity.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSections6and7.1.4ReviewthecurrentMSDSfordetailedinformationconcerningtoxicity,firstaidprocedures,andsafetyprecau-tions.2.ReferencedDocuments2.1ASTMStandards:2E180PracticeforDeterminingthePrecisionofASTMMethodsforAnalysisandTestingofIndustrialandSpe-cialtyChemicals(Withdrawn2009)3E1178TestMethodsforAnalysisofAcrylonitrile3.SummaryofTestMethod3.1Inthistestmethod,arepresentativesampleofacrylo-nitrileisintroducedinagaschromatographequippedwithaflameionizationdetectorandacapillarycolumnwherespecificimpuritiesareseparatedfromtheacrylonitrile.Thechromato-graphicareaforeachimpurityiscomparedtotheareaoftheinternalstandard,tolueneorothersuitableknown,addedtothesample.Fromresponsefactorsoftheseimpuritiesrelativetothatoftheinternalstandardandtheamountofthestandardadded,theconcentrationoftheimpuritiesarecalculated.Otherimpurities,suchaswater,areobtainedbyuseofTestMethodsE1178.Theacrylonitrilecontentisobtainedbysubtractingthetotalamountofallimpuritiesfrom100.0.4.SignificanceandUse4.1Thistestmethodisdesignedtoobtainacrylonitrilepurit...
