Designation:E106–83(Reapproved2004)StandardTestMethodsforChemicalAnalysisofCopper-BerylliumAlloys1ThisstandardisissuedunderthefixeddesignationE106;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverproceduresforthechemicalanalysisofcopper-berylliumalloyshavingchemicalcomposi-tionswithinthefollowinglimits:ElementConcentrationRange,%Copper97to98Beryllium0.4to2.05Nickel0.0to0.30Cobalt0.0to0.3Iron0.0to0.301.2Theanalyticalproceduresappearinthefollowingorder:SectionsCopperbytheElectrolyticMethod8-12Beryllium:PhosphateGravimetricMethod13-19Aluminon(Photometric)Method20-27NickelbytheDimethylglyoxime(Photometric)Method28-36CobaltbytheNitroso-R-Salt(Photometric)Method37-44IronbytheThiocyanate(Photometric)Method45-522.ReferencedDocuments2.1ASTMStandards:2E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformanceWithSpecificationE50PracticesforApparatus,Reagents,andSafetyPrecau-tionsforChemicalAnalysisofMetalsE55PracticeforSamplingWroughtNonferrousMetalsandAlloysforDeterminationofChemicalCompositionE60PracticeforPhotometricandSpectrophotometricMethodsforChemicalAnalysisofMetalsE76TestMethodsforChemicalAnalysisofNickel-CopperAlloysE173PracticeforConductingInterlaboratoryStudiesofMethodsforChemicalAnalysisofMetals33.SignificanceandUse3.1Thesetestmethodsforthechemicalanalysisofmetalsandalloysareprimarilyintendedtotestsuchmaterialsforcompliancewithcompositionalspecifications.Itisassumedthatallwhousethesetestmethodswillbetrainedanalystscapableofperformingcommonlaboratoryproceduresskill-fullyandsafely.Itisexpectedthatworkwillbeperformedinaproperlyequippedlaboratory.4.Apparatus,Reagents,andPhotometricPractice4.1Apparatusandreagentsrequiredforeachdeterminationarelistedinseparatesectionsprecedingtheprocedure.Theapparatus,standardsolutions,an...
