ANSI/ASTM B671-1999 精炼铱规范

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【英文标准名称】:SpecificationforRefinedIridium
【原文标准名称】:精炼铱规范
【标准号】:ANSI/ASTMB671-1999
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:金属精炼
【英文主题词】:metalrefining
【摘要】:Thisspecificationcoversrefinediridiumasspongeandpowderintwogradesasfollows:Grade99.80(UNSPO6100)-Iridiumhavingapurityof99.80%.Grade99.90-Iridiumhavingapurityof99.90%.Note1-Forthepurposesofdeterminingconformancewiththisspecification,anobservedvalueobtainedfromanalysisshallberoundedtothenearestunitinthelastright-handplaceoffiguresusedinexpressingthelimitingvalue,inaccordancewiththeroundingmethodofPracticeE29.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,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】:
【正文语种】:英语