ASTM B712-1993(2006) 氧化银镉接触材料用钠和钾含量的测定标准指南

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【英文标准名称】:StandardGuideforDeterminationofSodiumandPotassiumContentForSilver-CadmiumOxideContactMaterials
【原文标准名称】:氧化银镉接触材料用钠和钾含量的测定标准指南
【标准号】:ASTMB712-1993(2006)
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:(Guide)
【标准水平】:()
【中文主题词】:镉;含量测定;金属;材料;电气工程;银;触点;钾;钠
【英文主题词】:analysis;cadmiumoxide;contacts;potassium;silver;silver-cadmiumoxide;sodium
【摘要】:Thisguideisrecommendedforuseinanalyzingthesodiumandpotassiumcontentofsilver-cadmiumoxidematerialsandismeanttobeusedinconjunctionwithstandardmethodsofatomicabsorptionspectroscopy.Therecommendedprocedurescitemethodsforminimizingextraneoussodiumandpotassiumcontaminationthroughuseofspecifichandlingproceduresandshortersamplepreparationmethods.Thisguidealsorecommendsproceduresthatpreventtheformationofnonstableandpotentiallyhazardoussilver-acetylenecompounds.1.1Thisguidedescribesproceduresforuseinconductinganalysisofsilver-cadmiumoxidematerialsforsodiumandpotassiumcontent.Theexactmethodsfortheperformanceofthistestingarenotstatedsincemanydifferentproceduresareequallyapplicable.Thisguidepointsoutspecificproceduresfordecreasingthechanceofrecognizedpotentialerrorsandspecifiesmethodsforincreasingthesensitivityofthetesting.Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecificprecautionsseeSections4and6.1.2WhoeverusesthisstandardshouldconsulttheMaterialSafetyDataSheetconcerningtheproductsinvolved.
【中国标准分类号】:H15
【国际标准分类号】:77_150_70
【页数】:2P.;A4
【正文语种】: