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ČSN EN ISO 24459 (404042)
Determination of uranium content in samples coming from the nuclear fuel cycle by L-absorption edge spectrometry
Translate name
STANDARD published on 1.1.2024
The information about the standard:
Designation standards: ČSN EN ISO 24459
Classification mark: 404042
Catalog number: 518225
Publication date standards: 1.1.2024
SKU: NS-1161735
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 24459 (404042):
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
Preview of the standard ČSN EN ISO 24459 (404042)
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