Designation:E1473−16StandardTestMethodsforChemicalAnalysisofNickel,CobaltandHigh-TemperatureAlloys1ThisstandardisissuedunderthefixeddesignationE1473;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodsdescribethechemicalanalysisofnickel,cobaltandhigh-temperaturealloyshavingchemicalcompositionswithinthefollowinglimits:ElementCompositionRange,%Aluminum0.005to7.00Beryllium0.001to0.05Boron0.001to1.00Calcium0.002to0.05Carbon0.001to1.10Chromium0.10to33.00Cobalt0.10to75.00Copper0.01to35.00Iron0.01to50.00Lead0.001to0.01Magnesium0.001to0.05Manganese0.01to3.0Molybdenum0.01to30.0Niobium(Columbium)0.01to6.0Nickel0.10to98.0Nitrogen0.001to0.20Phosphorus0.002to0.08Sulfur0.002to0.10Silicon0.01to5.00Tantalum0.005to1.00Tin0.002to0.10Titanium0.01to5.00Tungsten0.01to18.00Vanadium0.01to3.25Zinc0.001to0.01Zirconium0.01to2.501.2Thetestmethodsinthisstandardarecontainedinthesectionsindicatedasfollows:Aluminum,Totalbythe8-QuinolinolGravimetricMethod(0.20%to7.00%)53to60ChromiumbytheAtomicAbsorptionMethod(0.018%to1.00%)91to100ChromiumbythePeroxydisulfateOxidation—TitrationMethod(0.10%to33.00%)101to109CobaltbytheIon-Exchange-PotentiometricTitrationMethod(2%to75%)25to32CobaltbytheNitroso-R-SaltSpectrophotometricMethod(0.10%to5.0%)33to42CopperbyNeocuproineSpectrophotometricMethod(0.010%to10.00%)43to52IronbytheSilverReductionTitrimetricMethod(1.0%to50.0%)118to125ManganesebytheMetaperiodateSpectrophotometricMethod(0.05%to2.00%)8to17MolybdenumbytheIonExchange—8-HydroxyquinolineGravimetricMethod(1.5%to30%)110to117MolybdenumbytheSpectrophotometricMethod(0.01%to1.50%)79to90NickelbytheDimethylglyoximeGravimetricMethod(0.1%to84.0%)61to68NiobiumbytheIonExchange—CupferronGravimetricMethod(0.5%to6.0%)126to133SiliconbytheGravimetricMethod(0.05%to5.00%)18to24TantalumbytheIonE...
