Open AccessAN EXTERNAL BEAM TECHNIQUE OF PIXE FOR URANIUM DETERMINATION IN ENVIRONMENTAL OBJECTS
Author(s) -
В. В. Кузьменко,
V.V. Levenets,
O.P. Omelnik,
Ірина Леонідівна Ролік,
A.O. Shchur
Publication year - 2019
Publication title -
problems of atomic science and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.216
H-Index - 17
eISSN - 1562-6016
pISSN - 1682-9344
DOI - 10.46813/2019-123-186
Subject(s) - uranium , nuclear fuel , materials science , spectrometer , actinide , enriched uranium , detection limit , lattice (music) , excited state , radiochemistry , nuclear engineering , nuclear physics , optics , physics , chemistry , engineering , chromatography , acoustics
The possibilities of the determination of the content of uranium in materials of the nuclear fuel cycle and environmental objects using the nuclear-physical methods of analysis based on registration of characteristic X-rays excited by protons (PIXE) are considered. It is shown that the introduction to X-ray emission spectrometer the element with a wave dispersion – a pyrocarbon filter, using Bragg-Wulf reflection from the planes of the crystal lattice, makes it possible to reduce the detection limit of uranium in the presence of interfering impurities to a value of 0.0005 mas.%. The proposed approach can be used to determine Th, Pu, and other actinides.