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

被引：10
|
作者：
Nagy, Peter [1 ]
Vajda, Nora [2 ]
Pinter, Tamas [3 ]
Fel, Kornel [4 ]
机构：
[1] Hungarian Trade Licensing Off, 37-39 Nemetvolgyi, H-1124 Budapest, Hungary
[2] Radanal Ltd, 29-33 Konkoly Thege M, H-1121 Budapest, Hungary
[3] Paks Nucl Power Plant, Dept Chem, Paks, Hungary
[4] Hungarian Acad Sci, Energy Res Ctr, Nucl Secur Dept, 29-33 Konkoly Thege M, H-1121 Budapest, Hungary
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2016年 / 307卷 / 02期
关键词：
Cs-137/Cs-135; ratio; Cs-134/Cs-137; Neutron flux; Burnup; Primary coolant;
D O I：
10.1007/s10967-015-4311-2
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Activities of Cs-134, Cs-137 and Cs-135 were determined in primary coolant samples of VVER-440 reactors. Cs-135 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 Cs-134/Cs-137 activity ratio while the thermal neutron flux was estimated from the Cs-137/Cs-135 mass ratio. Conclusions were drawn on the burnup and the thermal neutron flux of defective fuel elements.
引用
收藏
页码：1045 / 1053
页数：9
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