Designation:B616−96(Reapproved2012)StandardSpecificationforRefinedRhodium1ThisstandardisissuedunderthefixeddesignationB616;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversrefinedrhodiumasspongeandpowderinthreegradesasfollows:1.1.1Grade99.80—Rhodiumhavingapurityof99.80%,1.1.2Grade99.90—Rhodiumhavingapurityof99.90%,and1.1.3Grade99.95—Rhodiumhavingapurityof99.95%.1.1.4Forthepurposesofdeterminingconformancewiththisspecification,anobservedvalueobtainedfromanalysisshallberoundedtothenearestunitinthelastright-handplaceoffiguresusedinexpressingthelimitingvalue,inaccordancewiththeroundingmethodofPracticeE29.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications3.Manufacture3.1Thematerialmaybeproducedbyanyrefiningprocessthatyieldsaproductcapableofmeetingthechemicalrequire-mentsofthisspecification.Thepurchaser,uponrequest,shallbeinformedoftherefiningprocessused.4.ChemicalRequirements4.1ThematerialshouldconformtotherequirementsforchemicalcompositionasprescribedinTable1.4.2Analysisshallbemadeusingthemanufacturer’sstan-dardmethods.Intheeventofdisagreementastothechemicalcompositionofthemetal,methodsofc...
