Designation:C1771−13StandardTestMethodforDeterminationofBoron,Silicon,andTechnetiuminHydrolyzedUraniumHexafluoridebyInductivelyCoupledPlasma—MassSpectrometerAfterRemovalofUraniumbySolidPhaseExtraction1ThisstandardisissuedunderthefixeddesignationC1771;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofboron,siliconandtechnetiuminhydrolyzeduraniumhexafluoride(UF6)byInductivelyCoupledPlasmaMassSpectrometry(ICP-MS)afterseparationoftheuraniumbysolidphaseextraction.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SomespecifichazardsstatementsaregiveninSection7onHazards.2.ReferencedDocuments2.1ASTMStandards:2C787SpecificationforUraniumHexafluorideforEnrich-mentC859TerminologyRelatingtoNuclearMaterialsC996SpecificationforUraniumHexafluorideEnrichedtoLessThan5%235UC1346PracticeforDissolutionofUF6fromP-10TubesC1689PracticeforSubsamplingofUraniumHexafluorideD1193SpecificationforReagentWater3.Terminology3.1Definitions—Fordefinitionsofotherstandardtermsinthistestmethod,refertoTerminologyC859.3.2Definitions:3.2.1internalreferencesolution,n—asolutioncontainingnon-analyteelements,thesignalfromwhichisusedtocorrectforvariationintheperformanceofameasuringinstrumentthroughthecourseofanalyzingabatchofsamples,therebyimprovingprecision.3.2.2methodblank,n—asolutionwhichinsofarasispracticalduplicatesthesampletobeanalyzedandpassesthroughthesamemeasurementprocessbutdoesnotinitiallycontainsignificantquantitiesofanyoftheanalytestobemeasured.3.2.2...
