ASTM D3866-2007 水中银含量的标准测试方法

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【英文标准名称】:StandardTestMethodsforSilverinWater
【原文标准名称】:水中银含量的标准测试方法
【标准号】:ASTMD3866-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:含量测定;银;测试;水
【英文主题词】:atomicabsorption;chelation-extraction;graphitefurnace;silver;water
【摘要】:Theprincipaladverseeffectofsilverinthebodyiscosmetic.Itcausesargyria,apermanent,blue-graydiscolorationoftheskin,eyes,andmucousmembranes.Relativelysmallquantitiesofsilverarebactericidalorbacteriostaticandfindlimiteduseinbothdisinfectionofswimmingpoolwatersandpoint-of-usewaterfilters.1.1Thesetestmethodscovertheatomicabsorptiondeterminationofsilverinwater.Threetestmethodsaregivenasfollows:ConcentrationRangeSectionsTestMethodA-AtomicAbsorp-tion-Chelation-Extraction1to10g/L7to15TestMethodB-AtomicAbsorp-tion-Direct0.1to10mg/L16to24TestMethodC-AtomicAbsorp-tion-GraphiteFurnace1to25g/L25to33SimilartothatinBrown,E.,Skougstad,M.W.,andFishman,M.J.,"MethodsforCollectionandAnalysisofWaterSamplesforDissolvedMineralsandGases,"TechniquesofWater-ResourcesInvestigationsoftheU.S.GeologicalSurvey,Book5,ChapterA1,1970,p.46.