ASTM D7168-2005 用固相萃取盘测定水中99Tc的标准试验方法

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【英文标准名称】:StandardTestMethodfor99TcinWaterbySolidPhaseExtractionDisk
【原文标准名称】:用固相萃取盘测定水中99Tc的标准试验方法
【标准号】:ASTMD7168-2005
【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】:盘;物理性能;固相萃取;测试;水;水质;水测试
【英文主题词】:disc;disk;liquidscintillationcounting;radioactivity;radiochemistry;solidphaseextraction;technetium;water
【摘要】:1.1Thistestmethoddescribesasolidphaseextraction(SPE)proceduretoseparate99Tcfromenvironmentalwatersamples(thatis,non-processandeffluentwaters).Technetium-99betaactivityismeasuredbyliquidscintillationspectrometry.1.2Thistestmethodisdesignedtomeasure99Tcintherangeofapproximately0.037Bq/L(1.0pCi/L)orgreaterforaonelitresample.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Valuesgiveninparenthesesareprovidedforinformationpurposesonly.1.4Thismethodhasbeenusedsuccessfullywithtapwater.Itistheuser'sresponsibilitytoensurethevalidityofthistestmethodforsampleslargerthan1Landforwatersofuntestedmatrices.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.
【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】: