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动力堆辐照元件中燃耗测定和149Sm,150Sm含量,154Eu/155Eu,154Eu/152Eu比值与燃耗的关系

BURNUP MEASUREMENT AND ITS RELATION WITH THE AMOUNTS OF 149Sm AND 150Sm AND THE RATIOS OF 154Eu/155Eu AND 154Eu/152Eu IN THE SPENT FUEL OF A POWER REACTOR

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【作者】 张丕禄; 高玉兰; 陈佩贤; 王效英;

【Author】 ZHANG PILU GAO YULAN CHEM PEIXIAN WANG XIAOYING(China Institute of Atomic Enerav P O Box: 275 Beijing)

【机构】 中国原子能科学研究院; 中国原子能科学研究院 北京; 北京; 北京;

【摘要】 本文用同位素稀释质谱法,以148Nd为燃耗监测体对某动力堆元件的燃耗进行了测定。还测定了裂变产物中的高中子毒物149Sm的含量。对150Sm的含量测定结果表明,它能反映出核燃料燃烧的程度,为一直线关系。γ谱法测得的154Eu/155Eu比值和燃耗呈曲线关系。

【Abstract】 The amounts of 148Nd, 149Sm and 150Sm by the isotope dilution mass spectrography and the ratios of 154Eu/155Eu and 154Eu/l52Eu by the γ-spec-trography in the spent fuel of a power reactor have been measured.The amounts of 150Sm is directly proportional to that of 148Nd and burn-up can be determined by 150Sm. Relation of the ratios of 154Eu/155Eu with respect to the burnup is plotted.

【关键词】 148Nd; 149,150Sm; 155,154,152Eu; 燃耗; 乏燃料;
【Key words】 (148)~Nd; (149; 150)~Sm; (155; 154; 152)~Eu; Burnup; Spent fuel.;
  • 【文献出处】 核化学与放射化学 ,Journal of Nuclear and Radiochemistry , 编辑部邮箱 ,1991年01期
  • 【被引频次】1
  • 【下载频次】45
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