HpGe γ谱测量铀矿样品中~(40)K结果比对
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摘要
中核集团地矿事业部组织了"BRIUG IC-2016铀矿地质样品分析实验室间比对"活动,本实验室积极参与了~(40) K的比对,采用HpGeγ谱进行测量。同时,在实验室内部与X荧光光谱法、HR-ICP-MS测量方法比较,3种方法的结果高度一致。表明低本底γ谱法测定地质样品中~(40) K方便准确,测量结果是可信的。通过此次活动,了解到本实验室和其他实验室的测试水平差异,有助于提高本实验室的测试能力。
An activity of " BRIUG IC-2016 laboratory comparison of uranium geological sample component analysis" was organized by Beijing Research Institute of Uranium Geology Analytical Laboratory in May,2016.Our laboratory took part in this activity to measure ~(40)K as the comparison.HpGeγspectroscopy was employed to determine ~(40)K in uranium mine.At the same time,other two methods included x ray fluorescence and HR-ICP-MS analysis were used to determine ~(40)K inter-laboratory as the contrast.The analysis results of the three method show highly consistency.The results indicate that HpGeγspectrometry to measure ~(40)K in the uranium geological sample is convenience and accuracy,analysis results are reliable.By this activity,the laboratory analysis level was understood as well as the testing capability was also improved.
An activity of " BRIUG IC-2016 laboratory comparison of uranium geological sample component analysis" was organized by Beijing Research Institute of Uranium Geology Analytical Laboratory in May,2016.Our laboratory took part in this activity to measure ~(40)K as the comparison.HpGeγspectroscopy was employed to determine ~(40)K in uranium mine.At the same time,other two methods included x ray fluorescence and HR-ICP-MS analysis were used to determine ~(40)K inter-laboratory as the contrast.The analysis results of the three method show highly consistency.The results indicate that HpGeγspectrometry to measure ~(40)K in the uranium geological sample is convenience and accuracy,analysis results are reliable.By this activity,the laboratory analysis level was understood as well as the testing capability was also improved.
引文
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[2]冉广芬.钾的检测方法及其应用[J].盐湖研究,2014(3):68-72.
[3]王远大,朱树中,隆绍贤.参加环境放射性样品核素活度锗γ谱比对测量的总结[J].辐射防护,1994,14(5):358-365.
[4]潘京全.γ谱分析样品的采集与制备[J].辐射防护,1994,14(1):71-76.
[5]国家质量监督检验检疫总局.测量不确定度评定与表示:JJF1059.1-2012[S].北京:中国质检出版社,2013:9-27.
[6]中国合格评定认可委员会.能力验证结果的统计处理和能力验证评价指南:CNAS-GL02-2014[S].北京:中国合格评定认可委员会,2014.
[7]罗立强,詹秀春,李国会.X射线荧光光谱分析:第2版[M].北京:化学工业出版社,2015.
[8]梁帮宏,李兵,孙鹏,等.环境样品中铀的HR-ICP-MS测定[J].化学研究与应用,2016,28(1):134-138.
[9]应晓浒,曹国洲.熔融制样X射线荧光光谱法测定钠长石钾长石中多种元素[J].盐矿测试,2003,22(3):221-224.
[10]方震,刘耀炜,杨选辉,等.X射线荧光光谱法测定地震地球化学样品中的主微量元素[J].光谱实验室,2012,29(5):2805-2810.