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Homepage>CSN Standards>40 NUCLEAR ENGINEERING>4040 Nomenclature. Methods of measuring and testing of radioactive products>CSN EN ISO 24459 - Determination of uranium content in samples coming from the nuclear fuel cycle by L-absorption edge spectrometry
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Released: 01.01.2024
CSN EN ISO 24459 - Determination of uranium content in samples coming from the nuclear fuel cycle by L-absorption edge spectrometry

CSN EN ISO 24459

Determination of uranium content in samples coming from the nuclear fuel cycle by L-absorption edge spectrometry

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Number of Standard:CSN EN ISO 24459
Category:404042
Pages:24
Released:01.01.2024
Catalog number:518225
DESCRIPTION

CSN EN ISO 24459

CSN EN ISO 24459 This document specifies a method for the determination of uranium concentrations in nitric acid or TBP-DILUANT (for example TBP-kerosene) solutions coming from the nuclear fuel cycle. The method is applicable - for process control of solutions, free of suspension, which contain between 10 g/l to 300 g/l uranium, and - for high accuracy purposes (Safeguards) to nitric acid solutions, free of suspension, which contain between 100 g/l and 220 g/l uranium. Having - the content of neptunium and plutonium impurities in the solution less than 1 % of the uranium content. - the content of neutron poisons (gadolinium, erbium) less than 1 % of the uranium content to ensure the absence of significant interferences at the level of required precision, for high accuracy purposes. The method is applicable to solid samples as well, provided that they can be fully dissolved in nitric acid.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.