Determination of plutonium in nitric acid solutions using energy dispersive L X-ray fluorescence with a low power X-ray generator

被引：7

作者：

Py, J. ^{[1
,2
]}

Groetz, J. -E. ^{[1
]}

Hubinois, J. -C. ^{[2
]}

Cardona, D. ^{[2
]}

机构：

[1] Univ Franche Comte, UMR CNRS 6249, Lab Chronoenvironm, F-25030 Besancon, France

[2] CEA, Ctr Valduc, F-21120 Is Sur Tille, France

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2015年 / 780卷

关键词：

L X-rays; EDXRF; Secondary target; Plutonium; SDD detector; Compton Peak correction;

D O I：

10.1016/j.nima.2015.01.073

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This work presents the development of an in line energy dispersive LX-ray fluorescence spectrometer setup, with a low power X-ray generator and a secondary target, for the determination of plutonium concentration in nitric acid solutions. The intensity of the L X-rays from the internal conversion and gamma rays emitted by the daughter nuclei from plutonium is minimized and corrected, in order to eliminate the interferences with the L X-ray fluorescence spectrum. The matrix effects are then corrected by the Compton peak method. A calibration plot for plutonium solutions within the range 0.1-20 g L-1 is given. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：131 / 137

页数：7

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