ASTM D3972-2009 用放射化学法测量水中同位素铀的标准试验方法

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【英文标准名称】:StandardTestMethodforIsotopicUraniuminWaterbyRadiochemistry
【原文标准名称】:用放射化学法测量水中同位素铀的标准试验方法
【标准号】:ASTMD3972-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D19.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:alpha-particlespectrometry;isotopes;radioactivity;radiochemistry;uranium;water;Alphapulse-heightanalysis;Cylinders;Radioactivewateranalysis;Uraniumcontent--water
【摘要】:Thistestmethodwasdevelopedtomeasuretheradioactivityofuraniumisotopesinenvironmentalwatersorwatersreleasedtotheenvironment,andtodeterminewhethertheuranium-isotopeconcentrationsarebelowthemaximumamountsallowablebyanyregulatorystatute.1.1Thistestmethodcoversthedeterminationofalpha-particle-emittingisotopesofuraniuminwaterbymeansofchemicalseparationsandalphapulse-heightanalysis(alsoknownasalpha-particlespectrometry).Uraniumischemicallyseparatedfromawatersamplebycoprecipitationwithferroushydroxide,anionexchange,andelectrodeposition.Thetestmethodappliestosolubleuraniumaswellastoanyuraniumthatmightbepresentinsuspendedmatterinthewatersample.Thistestmethodisapplicableforuraniumprocessingeffluentsaswellassubstituteoceanwater.Whensuspendedmatterispresent,anaciddissolutionstepisaddedtoassurethatalloftheuraniumdissolves.Itistheuser''sresponsibilitytoensurethevalidityofthistestmethodforwatersofuntestedmatrices.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificwarningstatementsaregiveninSection9.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:7P.;A4
【正文语种】:英语