ASTM E538-1998(2008) 苛性碱(氢氧化钠)和苛性钾(氢氧化钾)中汞的标准试验方法
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【英文标准名称】:StandardTestMethodforMercuryinCausticSoda(SodiumHydroxide)andCausticPotash(PotassiumHydroxide)
【原文标准名称】:苛性碱(氢氧化钠)和苛性钾(氢氧化钾)中汞的标准试验方法
【标准号】:ASTME538-1998(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:E15.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:causticpotash;causticsoda;flamelessatomicabsorption;mercury;potassiumhydroxide;sodiumhydroxide;Mercury--chemicals;Sodiumhydroxide;Spectrophotometry--atomicabsorption
【摘要】:Mercuryisatoxicmaterialandisalsodeleteriousifpresentincausticsodaandcausticpotashusedincertainmanufacturingprocesses.Itmustthereforebecontrolledasapossiblepollutant.Thesetestmethodsprovideaprocedureformeasuringmercuryinliquidandsolidcausticsodaandcausticpotash.1.1Thesetestmethodscovertheroutinedeterminationofmercuryincausticsodaandcausticpotashliquorsandanhydrouscausticsodainthesolid,flake,ground,andbeadformbytheflamelessatomicabsorptionmethod.1.2Twotestmethodsaredescribedasfollows:TestMethodAemploysadirectanalysisofthesampleusinganalkalinereducingagentwithalowerlimitofdetectionof0.1ppb(ng/g).TestMethodAwasdevelopedusingcausticsodaandcausticpotash.TestMethodBrequiresapreliminaryneutralizationofthesamplefollowedbyapermanganateoxidationbeforeitcanbeanalyzedbyanacidicreducingagentwithalowerlimitofdetectionofthistestmethodof0.01ppm(x03BC;g/g).TestMethodBwasdevelopedusingcausticsoda.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection7and17.1.5Reviewthecurrentmaterialsafetydatasheets(MSDS)fordetailedinformationconcerningtoxicity,first-aidprocedures,andsafetyprecautions.
【中国标准分类号】:G11
【国际标准分类号】:71_040_40
【页数】:6P.;A4
【正文语种】:英语
【原文标准名称】:苛性碱(氢氧化钠)和苛性钾(氢氧化钾)中汞的标准试验方法
【标准号】:ASTME538-1998(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:E15.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:causticpotash;causticsoda;flamelessatomicabsorption;mercury;potassiumhydroxide;sodiumhydroxide;Mercury--chemicals;Sodiumhydroxide;Spectrophotometry--atomicabsorption
【摘要】:Mercuryisatoxicmaterialandisalsodeleteriousifpresentincausticsodaandcausticpotashusedincertainmanufacturingprocesses.Itmustthereforebecontrolledasapossiblepollutant.Thesetestmethodsprovideaprocedureformeasuringmercuryinliquidandsolidcausticsodaandcausticpotash.1.1Thesetestmethodscovertheroutinedeterminationofmercuryincausticsodaandcausticpotashliquorsandanhydrouscausticsodainthesolid,flake,ground,andbeadformbytheflamelessatomicabsorptionmethod.1.2Twotestmethodsaredescribedasfollows:TestMethodAemploysadirectanalysisofthesampleusinganalkalinereducingagentwithalowerlimitofdetectionof0.1ppb(ng/g).TestMethodAwasdevelopedusingcausticsodaandcausticpotash.TestMethodBrequiresapreliminaryneutralizationofthesamplefollowedbyapermanganateoxidationbeforeitcanbeanalyzedbyanacidicreducingagentwithalowerlimitofdetectionofthistestmethodof0.01ppm(x03BC;g/g).TestMethodBwasdevelopedusingcausticsoda.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection7and17.1.5Reviewthecurrentmaterialsafetydatasheets(MSDS)fordetailedinformationconcerningtoxicity,first-aidprocedures,andsafetyprecautions.
【中国标准分类号】:G11
【国际标准分类号】:71_040_40
【页数】:6P.;A4
【正文语种】:英语
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