ASTM C1387-2008 土壤里锝99的测定的标准指南

作者:标准资料网 时间:2024-05-15 04:37:29  浏览:8648   来源:标准资料网

【英文标准名称】:StandardGuidefortheDeterminationofTechnetium-99inSoil
【原文标准名称】:土壤里锝99的测定的标准指南
【标准号】:ASTMC1387-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:extractionchromatography;liquidscintillationspectrometry;massspectrometry;microwavedigestion;soil;soilfusion;technetium;Extractionchromatography;Liquidscintillationspectrometry;Massspectrometry--nuclearmaterials/applications;Microwave
【摘要】:ThisguideoffersseveraloptionsforthedeterminationofTc-99insoilsamples.Samplesizesofupto200garepossible,dependingonthemethodchosentoextractTcfromthesoilmatrix.Itisuptotheusertodetermineifitisappropriatefortheintendeduseofthefinaldata.1.1ThisguideisintendedtoserveasareferenceforlaboratorieswishingtoperformTc-99analysesinsoil.SeveraloptionsaregivenforselectionofatracerandforthemethodofextractingtheTcfromthesoilmatrix.SeparationofTcfromthesamplematrixisperformedusinganextractionchromatographyresin.OptionsarethengivenforthedeterminationoftheTc-99activityintheoriginalsample.Itisuptotheusertodeterminewhichoptionsareappropriateforuse,andtogenerateacceptancedatatosupportthechosenprocedure.1.2Duetothevariousextractionmethodsavailable,varioustracersused,variabledetectionmethodsused,andlackofcertifiedreferencematerialsforTc-99insoil,thereisinsufficientdatatosupportasinglemethodwrittenasastandardmethod.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:Z18
【国际标准分类号】:13_080_10
【页数】:5P.;A4
【正文语种】:英语