ASTM C999-2005(2010)e1 放射性核素测定用土壤试样制备的标准实施规程

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【英文标准名称】:StandardPracticeforSoilSamplePreparationfortheDeterminationofRadionuclides
【原文标准名称】:放射性核素测定用土壤试样制备的标准实施规程
【标准号】:ASTMC999-2005(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:C26.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:environmental;preparation;radionuclides;soil;Plutonium;Radionuclides;Samplepreparation--nuclearmaterials/applications;Samplingnuclear/relatedenergysources;Soil(radioactiveanalysis);Specimenpreparation(fortesting)--nuclearapplication
【摘要】:Soilsamplespreparedforradionuclideanalysesbythispracticecanbeusedtomonitorfalloutdistributionfromnuclearfacilities.Thispracticeisintendedtoproduceahomogeneoussamplefromwhicharelativelysmallaliquot(10g)maybedrawnforradiochemicalanalyses.Mostnuclearfacilitiesfulfillmajorrequirementsoftheirmonitoringprogramsbygamma-rayspectrometrymeasurementsofsoil.Awidelyusedpracticeforthesemeasurementsistofillacalibratedsamplecontainer,suchasaMarinellibeaker(8764;600-mLvolume),withahomogenizedsoilsample.Bypreparingtheentiresoilcorecollection,sufficienthomogeneoussampleisavailableforradiochemicalandgamma-rayspectrometrymeasurements.1.1Thispracticecoversthepreparationofsurfacesoilsamplescollectedforchemicalanalysisofradionuclides,particularlyuraniumandplutonium.Thispracticedescribesoneacceptableapproachtothepreparationofsoilsamplesforradiochemicalanalysis.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Aspecifichazardstatementisgivenin6.3.
【中国标准分类号】:Z18
【国际标准分类号】:13_080_05
【页数】:3P.;A4
【正文语种】:英语