Designation:D7441−08(Reapproved2013)StandardPracticeforSeparationofBerylliumfromOtherMetalsinDigestionandExtractionSolutionsfromWorkplaceDustSamples1ThisstandardisissuedunderthefixeddesignationD7441;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheseparationofberylliumfromothermetalsandmetalloidsinacidsolutions,byextractionchromatography,forsubsequentdeterminationofberylliumbyatomicspectroscopytechniquessuchasinductivelycoupledplasmaatomicemissionspectroscopy(ICP-AES).1.2ThispracticeisapplicabletosamplesofsettleddustthathavebeencollectedinaccordancewithPracticesD6966orD7296.1.3Thispracticeiscompatiblewithawidevarietyofaciddigestiontechniquesusedindigestingsettleddustsamples,suchasthosedescribedinTestMethodD7035.1.4Thispracticeisappropriateforthepreparationofsettleddustsampleswhereanunacceptablebiasissuspectedorknownbecauseofspectralinterferencescausedbyothermetalsormetalloidspresentinthesample.Thispracticemayalsobeappropriatefortheanalysisofothertypesofsamples.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD1356TerminologyRelatingtoSamplingandAnalysisofAtmospheresD6966PracticeforCollectionofSettledDustSamplesUsingWipeSamplingMethodsforSubsequentDetermi-nationofMetalsD7035TestMethodforDeterminationofMetalsandMet-alloidsinAirborneParticulateMatterbyInductivelyCoupledPlasmaAtomicEmissionSpectrometry(ICP-AES)D7296PracticeforCollectionofSettledDustSamplesUsingDryWipeSamplingMethodsforSubsequentDe-terminationofBerylliumandCompoundsE882GuideforAccountabilityandQualityContr...
