Designation:D4983–89(Reapproved1996)StandardTestMethodforCyclohexylamine,Morpholine,andDiethylaminoethanolinWaterandCondensedSteambyDirectAqueousInjectionGasChromatography1ThisstandardisissuedunderthefixeddesignationD4983;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthegeneralconsiderationsforthequalitativeandquantitativedeterminationofvolatileaminessuchascyclohexylamine,morpholine,anddiethylami-noethanolinsteamcondensatesandsurfacewaterbygas-liquidchromatography.2,31.2Thistestmethodmaybeappliedtowatersamplescontainingtheaminesinconcentrationsfrom2to15mg/Lbydirectinjectionofalkalineaqueoussamples.Higherconcen-trationsmaybedeterminedbyappropriatedilution.1.3Althoughthistestmethodiswrittenforflameionizationdetector,thebasictechnologyisapplicabletoanyhighlysensitivenitrogen-specificdetectorprovidedwaterdoesnotinterferewiththemeasurement.1.4Thetestmethodmaybeextendedtosteamcondensatescontaininglowlevelsoftheseaminesbyadoptingsuitableconcentrationtechniquessuchassteamdistillationtobringtheanalyteconcentrationtoanaccuratelyquantifiablerange.1.5Thetestmethodisapplicabletootherchromatograph-ableaminesbyappropriatelyvaryingthechromatographicparameters.Thismustbevalidatedbytheindividualanalysts.1.6Thistestmethodhasbeenusedsuccessfullywithreagent-gradeandboilersteamcondensatewaters.Itistheuser’sresponsibilitytoassurethevalidityofthistestmethodforanyuntestedmatrices.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D1066PracticeforSamplingSteam4D1129TerminologyRelatingtoWater4D1193SpecificationforReagentWater4D...
