Activities of 134Cs, 135Cs and 137Cs in the primary coolant of VVER-440 reactors

被引：0
|
作者：
Péter Nagy
Nóra Vajda
Tamás Pintér
Kornél Fél
机构：
[1] Hungarian Trade Licensing Office,Chemistry Department
[2] Radanal Ltd.,Nuclear Security Department, Centre for Energy Research
[3] Paks Nuclear Power Plant,undefined
[4] Hungarian Academy of Sciences,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2016年 / 307卷
关键词：
Cs/; Cs ratio; Cs/; Cs ratio; Neutron flux; Burnup; Primary coolant;
D O I：
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中图分类号：
学科分类号：
摘要：
Activities of 134Cs, 137Cs and 135Cs were determined in primary coolant samples of VVER-440 reactors. 135Cs was measured by inductively coupled plasma mass spectrometry after radiochemical separation of Cs using AMP–PAN and Dowex-50 cation exchange resin columns. The burnup of the samples was calculated from the 134Cs/137Cs activity ratio while the thermal neutron flux was estimated from the 137Cs/135Cs mass ratio. Conclusions were drawn on the burnup and the thermal neutron flux of defective fuel elements.
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页码：1045 / 1053
页数：8
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