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Determination of Technetium-99, Neptunium-237 and Isotopes of Thorium in Uranyl Nitrate Solutions From a Reprocessing Plant, Using Double-Focusing ICP-MS

Mitterrand, B
COGEMA Etablissement de La Hague Laboratory Division,

Leprovost, P
COGEMA Etablissement de La Hague Laboratory Division,

Delaunay, J
COGEMA Etablissement de La Hague Laboratory Division,

Vian, AM
COGEMA Etablissement de La Hague Laboratory Division,

Pages: 12    Published: Jan 1998

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Source: STP1344-EB

Abstract

The determination of some radionuclides in uranyl nitrate solutions from a reprocessing plant through chemical or radiochemical methods may be tedious, with poor precision. Quadrupole ICP-MS and, more recently, double-focusing ICP-MS, with high resolution capabilities, have proved to be very efficient tools for such determinations. These improvements will be illustrated by the examples of Technetium-99, Neptunium-237 and Thorium.

Keywords:
elemental mass spectrometry, ICP-MS, radiochemical methods, trace analysis, technetium, neptunium, thorium

Paper ID: STP15727S
Committee/Subcommittee: C26.09
DOI: 10.1520/STP15727S
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