Designation:D5808−20StandardTestMethodforDeterminingChlorideinAromaticHydrocarbonsandRelatedChemicalsbyMicrocoulometry1ThisstandardisissuedunderthefixeddesignationD5808;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationoforganicchlorideinaromatichydrocarbons,theirderivatives,andre-latedchemicals.1.2Thistestmethodisapplicabletosampleswithchlorideconcentrationsto25mg/kg.Thelimitofdetection(LOD)is0.2mg/kgandthelimitofquantitation(LOQ)is0.7mg/kg.Withcarefulanalyticaltechniqueorthemeasurementofreplicates,orboth,thismethodcanbeusedtosuccessfullyanalyzeconcentrationsbelowtheLOD.NOTE1—Themaximumisthehighestconcentrationfromtheinter-laboratorystudyandtheLODandLOQwerecalculatedfromPerfor-manceTestingProgram(PTP)data.SeeTable1.1.3ThistestmethodispreferredoverTestMethodD5194forproducts,suchasstyrene,thatarepolymerizedbythesodiumbiphenylreagent.1.4Indeterminingtheconformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.1.5Organicchloridevaluesofsamplescontaininginorganicchlorideswillbebiasedhighduetopartialrecoveryofinorganicspeciesduringcombustion.Interferencefrominor-ganicspeciescanbereducedbywaterwashingthesamplebeforeanalysis.Thisdoesnotapplytowatersolublesamples.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see7.3andSection9.1.8Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyre...
