【英文标准名称】:StandardSpecificationforRefinedIridium
【原文标准名称】:精炼铱
【标准号】:ASTMB671-1981(2005)
【标准状态】:现行
【国别】:
【发布日期】:1981
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:B02.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:有色金属;铱;贵金属;金属精炼
【英文主题词】:iridium;refinediridium;sponge
【摘要】:1.1Thisspecificationcoversrefinediridiumasspongeandpowderintwogradesasfollows:1.1.1Grade99.80(UNSPO6100)8212;Iridiumhavingapurityof99.80%.1.1.2Grade99.908212;Iridiumhavingapurityof99.90%.Note18212;Forthepurposesofdeterminingconformancewiththisspecification,anobservedvalueobtainedfromanalysisshallberoundedtothenearestunitinthelastright-handplaceoffiguresusedinexpressingthelimitingvalue,inaccordancewiththeroundingmethodofPracticeE29.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheetforthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H68
【国际标准分类号】:77_120_99
【页数】:2P.;A4
【正文语种】: