Designation:D3869−15StandardTestMethodsforIodideandBromideIonsinBrackishWater,Seawater,andBrines1ThisstandardisissuedunderthefixeddesignationD3869;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thesetestmethods2coverthedeterminationofsolubleiodideandbromideions,orboth,inbrackishwater,seawater,andbrines.Fourtestmethodsaregivenasfollows:1.1.1TestMethodAforbothIodideandBromideIons—Volumetric,forconcentrationsfrom0.2to2000mg/Liodideandfrom5to6500mg/Lbromide(Sections7–15).1.1.2TestMethodBforIodideIon—Colorimetric,forcon-centrationsfrom0.2to2000mg/Liodide(Sections16–25).1.1.3TestMethodCforIodideIon—Selectiveelectrode,forconcentrationsfrom1to2000mg/Liodide(Sections26–34).1.1.4TestMethodDforBromideIon—Colorimetric,forconcentrationsfrom40to6500mg/Lbromide(Sections35–44).1.2TestMethodAisintendedforuseonallbrackishwaters,seawaters,andbrinesthatcontainappreciableamountsofiodideorbromideionsorboth.TestMethodsB,C,andD,becauseoftheirrapidityandsensitivity,arerecommendedfortheanalysisofbrackishwaters,seawaters,andbrinesinthefieldandinthelaboratory.1.3Samplescontainingfrom0.2to2000mg/Lofiodideor5to6500mg/Lofbromidemaybeanalyzedbythesemethods.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,see20.2and39.2.2.ReferencedDocuments2.1ASTMStandards:3D1129TerminologyRelatingtoWaterD1193SpecificationforReagentWaterD2777PracticeforDeterminationofPrecisionandBiasofApplicableTestMethodsofCommitteeD19onWaterD3370PracticesforSamplingWaterfrom...
