Determination of the Radionuclide Composition and Burn-Up of High-Burn-Up WWER-1000 Fuel by Destructive Methods

被引：0
|
作者：
Petrov, E. R. [1 ]
Bibichev, B. A. [1 ]
Domkin, V. D. [1 ]
Kozharin, V. V. [1 ]
Kurenkov, N. V. [2 ]
Mukhin, V. S. [1 ]
Panteleev, Yu. A. [1 ]
机构：
[1] Fed State Unitary Enterprise, Khlopin Radium Inst, Res & Prod Assoc, 2-i Murinskii Pr 28, St Petersburg 194021, Russia
[2] Natl Res Nucl Univ, Moscow Inst Engn Phys, Inst Ind Nucl Technol, Moscow, Russia
来源：
RADIOCHEMISTRY | 2012年 / 54卷 / 04期
关键词：
spent nuclear fuel; radionuclide composition; analysis;
D O I：
10.1134/S106636221204011X
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A sample of WWER-1000 spent nuclear fuel (SNF) with the burn-up of approximately 50 GW day (t U)(-1) was studied by methods of destructive analysis. Data on the content of isotopes of U, Pu, Am, Cm, Nd, and Cs are given. The methods used are briefly described. These include anion exchange and extraction chromatography, thermal ionization mass spectrometry, luminescence analysis, and gamma -and alpha-ray spectrometry. The main method of the study is isotope dilution followed by mass-spectrometric analysis. The data obtained will be used for developing of a low-waste and low-cost technology for preprocessing of high-burn-up SNF and also for checking the accuracy of calculation of heavy actinide content in SNF and for improving computation methods and programs intended for calculation of the SNF nuclide composition in relation to the fuel burn-up in WWER-type reactors. The Nd and Cs isotopes were used as burn-up monitors.
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收藏
页码：379 / 382
页数：4
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