Designation:B717−96(Reapproved2012)StandardSpecificationforRefinedRuthenium1ThisstandardisissuedunderthefixeddesignationB717;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversrefinedrutheniumasspongeandpowderinonegradeasfollows:1.1.1Grade99.80—Rutheniumhavingapurityof99.80%.1.1.2Grade99.90—Rutheniumhavingapurityof99.90%.NOTE1—Forthepurposesofdeterminingconformancewiththisspecification,anobservedvalueobtainedfromanalysisshallberoundedtothenearestunitinthelastright-handplaceoffiguresusedinexpressingthelimitingvalueinaccordancewiththeroundingmethodofPracticeE29.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications3.Manufacture3.1Thematerialmaybeproducedbyanyrefiningprocessthatyieldsaproductcapableofmeetingthechemicalrequire-mentsofthisspecification.Thepurchaser,uponrequest,shallbeinformedoftherefiningprocessused.4.ChemicalComposition4.1ThematerialshouldconformtotherequirementsforchemicalcompositionasprescribedinTable1.4.2Analysisshallbemadeusingthemanufacturer’sstan-dardmethods.Intheeventofdisagreementastothechemicalcompositionofthemetal,methodsofchemicalanalysisforreferencepurposesshallbede...
