In thoria,the main fuel of solid thorium molten salt reactor,the content of boron must be strictly controlled since it has high neutron absorption cross section.In this paper,a rapid method of trace boron measurement in nuclear grade thoria was developed by ICP-MS after the separation of thorium by cation exchange resin.When the mass of thoria is 0.3g,the detection limit of the methodology is found to be 0.016μg/g,boron in a nuclear grade thoria is found to be(0.111±0.007)μg/g,while the precision and recove...
【基金】
中国科学院战略性先导科技专项(XDA02030000)
【更新日期】
2017-09-12
【分类号】
TL426
【正文快照】
1.University of Chinese Academy of Sciences,Beijing 100049,China;2.Division of Radiochemistry and Engineering,Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China钍基熔盐堆是第四代反应堆核能系统的六种候选堆型之一,其经济?
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