Designation:C1163−14StandardPracticeforMountingActinidesforAlphaSpectrometryUsingNeodymiumFluoride1ThisstandardisissuedunderthefixeddesignationC1163;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthepreparationofseparatedfrac-tionsofactinidesforalphaspectrometry.Itisapplicabletoanyoftheactinidesthatcanbedissolvedindilutehydrochloricacid.Examplesofapplicablesampleswouldbethefinalelutionfromanionexchangeseparationorthefinalstripfromasolventextractionseparation.21.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeSection9.2.ReferencedDocuments2.1ASTMStandards:3C859TerminologyRelatingtoNuclearMaterialsC1284PracticeforElectrodepositionoftheActinidesforAlphaSpectrometryD1193SpecificationforReagentWaterD3084PracticeforAlpha-ParticleSpectrometryofWater3.Terminology3.1Fordefinitionsoftermsinthisstandard,refertoTerminologyC859.4.SummaryofTestMethod4.1Guidanceisprovidedforthesamplemountingofseparatedactinidesusingcoprecipitationwithneodymiumfluoride.Thepurifiedsamplesarepreparedandmountedonamembranefiltertoproduceadepositthatyieldsalphaspectraofsufficientqualityformostanalyticalmethodologies.Samplescanbepreparedmorerapidlyusingcoprecipitationthanbyelectrodepositionandhavecomparableresolution.5.SignificanceandUse5.1Thedeterminationofactinidesbyalphaspectrometryisanessentialfunctionofmanyenvironmentalandotherpro-grams.Alphaspectrometryallowstheidentificationandquan-tificationofmostalpha-emittingactinides.Althoughnumerousse...
