Designation:C1463−13StandardPracticesforDissolvingGlassContainingRadioactiveandMixedWasteforChemicalandRadiochemicalAnalysis1ThisstandardisissuedunderthefixeddesignationC1463;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesepracticescovertechniquessuitablefordissolvingglasssamplesthatmaycontainnuclearwastes.Thesetech-niquesusedtogetherorindependentlywillproducesolutionsthatcanbeanalyzedbyinductivelycoupledplasmaatomicemissionspectroscopy(ICP-AES),inductivelycoupledplasmamassspectrometry(ICP-MS),atomicabsorptionspectrometry(AAS),radiochemicalmethodsandwetchemicaltechniquesformajorcomponents,minorcomponentsandradionuclides.1.2Oneofthefusionpracticesandthemicrowavepracticecanbeusedinhotcellsandshieldedhoodsaftermodificationtomeetlocaloperationalrequirements.1.3Theuserofthesepracticesmustfollowradiationpro-tectionguidelinesinplacefortheirspecificlaboratories.1.4Additionalinformationrelatingtosafetyisincludedinthetext.1.5Thedissolutiontechniquesdescribedinthesepracticescanbeusedforqualitycontrolofthefeedmaterialsandtheproductofplantsvitrifyingnuclearwastematerialsinglass.1.6ThesepracticesareintroducedtoprovidetheuserwithanalternativemeanstoTestMethodsC169fordissolutionofwastecontainingglassinshieldedfacilities.TestMethodsC169isnotpracticalforuseinsuchfacilitiesandwithradioactivematerials.1.7TheICP-AESmethodsinTestMethodsC1109andC1111canbeusedtoanalyzethedissolvedsamplewithadditionalsamplepreparationasnecessaryandwithmatrixeffectconsiderations.Additionalinformationastootherana-lyticalmethodscanbefoundinTestMethodC169.1.8SolutionsfromthispracticemaybesuitableforanalysisusingICP-MSafterestablishinglaboratoryperformancecrite-ria.1.9ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.10Thisstandarddoesn...