ASTM D1890-2005 水的β粒子放射性的标准试验方法

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【英文标准名称】:StandardTestMethodforBetaParticleRadioactivityofWater
【原文标准名称】:水的β粒子放射性的标准试验方法
【标准号】:ASTMD1890-2005
【标准状态】:现行
【国别】:
【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】:D19.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:水;太阳能;核能;试验;放射性
【英文主题词】:Betairradiation;Water;emradioactiveanalysis;betaparticleradioactivityofwater,test
【摘要】:Thistestmethodwasdevelopedforthepurposeofmeasuringthegrossbetaradioactivityinwater.Itisusedfortheanalysisofbothprocessandenvironmentalwatertodeterminegrossbetaactivity.1.1Thistestmethodcoversthemeasurementofbetaparticleactivityofwater,asreferencedtothebetaenergyof137Cs,notcorrectedforconversionelectrons.Itisapplicabletobetaemittershavingmaximumenergiesabove0.1MeVandatactivitylevelsabove0.02Bq/mLofradioactivehomogeneouswaterformostcountingsystems.Thistestmethodisnotapplicabletosamplescontainingradionuclidesthatarevolatileunderconditionsoftheanalysis.1.2Thistestmethodcanbeusedforeitherabsoluteorrelativedeterminations.Intracerwork,theresultsmaybeexpressedbycomparisonwithastandardwhichisdefinedtobe100%.Forradioassay,datamaybeexpressedintermsofaknownradionuclidestandardiftheradionuclidesofconcernareknownandnofractionationoccurredduringprocessing,ormaybeexpressedarbitrarilyintermsofsomeotherstandardsuchascesium-137.GeneralinformationonradioactivityandmeasurementofradiationmaybefoundintheliteratureandPracticeD3648.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_60
【页数】:6P.;A4
【正文语种】:

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