Determination of the radionuclide composition and burn-up of high-burn-up WWER-1000 fuel by destructive methods

被引：4

作者：

E. R. Petrov

B. A. Bibichev

V. D. Domkin

V. V. Kozharin

N. V. Kurenkov

V. S. Mukhin

Yu. A. Panteleev

机构：

[1] Khlopin Radium Institute, Research and Production Association, Federal State Unitary Enterprise, St. Petersburg, 194021

[2] Institute of Industrial Nuclear Technologies, Moscow Institute of Engineering Physics, National Research Nuclear University, Moscow

来源：

Radiochemistry | 2012年 / 54卷 / 4期

关键词：

Analysis; Radionuclide composition; Spent nuclear fuel;

D O I：

10.1134/S106636221204011X

中图分类号：

学科分类号：

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 γ- and a-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 highburn- 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. © Pleiades Publishing, Inc., 2012.

引用

页码：379 / 382

页数：3

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