Designation:D1886−14(Reapproved2021)´1StandardTestMethodsforNickelinWater1ThisstandardisissuedunderthefixeddesignationD1886;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—TheWTOcaveatwaseditoriallyaddedinNovember2021.1.Scope1.1Thesetestmethods2,3,4covertheatomicabsorptiondeterminationofnickelinwaterandwastewaters.Threetestmethodsaregivenasfollows:ConcentrationRangeSectionsTestMethodA—AtomicAbsorption,Direct0.1to10mg/L7–16TestMethodB—AtomicAbsorption,Chelation-Extraction10to1000µg/L17–26TestMethodC—AtomicAbsorption,GraphiteFurnace5to100µg/L27–361.2TestMethodsA,B,andChavebeenusedsuccessfullywithreagentgradewaterandnaturalwaters.EvaluationofTestMethodCwasalsomadeincondensatefromamediumBtucoalgasificationprocess.Itistheuser’sresponsibilitytoensurethevalidityofthesetestmethodsforothermatrices.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversiontoinch-poundunitsthatareprovidedforinforma-tiononlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardsstatements,seeNote5,11.8.1,21.11,23.7,and23.10.1.5Twoformercolorimetrictestmethodswerediscontin-ued.RefertoAppendixX1forhistoricalinformation.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:5D858TestMethodsforManganeseinWaterD1066Prac...
