Designation:B589−94(Reapproved2012)StandardSpecificationforRefinedPalladium1ThisstandardisissuedunderthefixeddesignationB589;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversrefinedpalladiumassponge,castbar,andwroughtforms(Note1)inonegradeasfollows:1.1.1Grade99.95(UNSPO3995)—Palladiumhavingapurityof99.95%.NOTE1—Otherformsofunfabricatedpalladiumofcommercearenottobeexcludedunderthisspecification.NOTE2—Forthepurposesofdeterminingconformancewiththisspecification,anobservedvalueobtainedfromanalysisshallberoundedtothenearestunitinthelastrighthandplaceoffiguresusedinexpressingthelimitingvalue,inaccordancewiththeroundingmethodofPracticeE29.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications3.MaterialsandManufacture3.1Themetalmaybeproducedbyanyrefiningprocessthatyieldsaproductcapableofmeetingthechemicalrequirementsofthisspecification.Thepurchaser,uponrequest,shallbeinformedoftherefiningprocessused.3.2Thesurfacesofbarsandwroughtformsshallexhibitqualitygenerallyacceptabletothetrade.4.ChemicalComposition4.1TherefinedpalladiumshallconformtotherequirementsastothechemicalcompositionprescribedinTable1....