Designation:E1786−08StandardTestMethodforDeterminationofLowLevelsofWaterinLiquidChlorinebyOn-LineInfraredSpectrophotometry1ThisstandardisissuedunderthefixeddesignationE1786;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodisdesignedfortheon-linedetermina-tionofthecontentofwaterinliquidchlorineintheconcen-trationrangeof0.5to15mg/kg(ppm).1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3ReviewthecurrentMaterialSafetyDataSheets(MSDS)fordetailedinformationconcerningtoxicity,firstaidprocedures,andsafetyprecautions.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection7andNote3.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterE806TestMethodforCarbonTetrachlorideandChloroforminLiquidChlorinebyDirectInjection(GasChromato-graphicProcedure)2.2FederalStandards:349CFR173CodeofFederalRegulationsTitle49Transpor-tation:Shippers’GeneralRequirementsforShipmentsandPackaging,includingthefollowingsections:173.304ChargingofCylinderswithLiquefiedCompressedGas173.314RequirementsforCompressedGasesinTankCars173.315CompressedGasesinCargoTanksandPortableTankContainers2.3OtherDocument:4ChlorineInstitutePamphletNo.77—SamplingLiquidChlorine3.SummaryofTestMethod3.1Liquidchlorinecontinuouslyflowsthroughaspecialinfraredcellwhereitismaintainedasaliquidunderitsownpressure.Aprocessinfraredspectrometerscansfrom400to4400wavenumbersoftheinfraredtransmissionspectrumofliquidchlorine.Thisspectrumthenisratioedtooneobtainedfromthenitrogen-filledinfraredcellpreviously.Thera...
