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ILNAS-EN ISO 21484:2019 Edition 06/2019
Nuclear Energy - Fuel technology - Determination of the O/M ratio in MOX pellets by the gravimetric method (ISO 21484:2017)
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  • 17.8 / copy
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Abstract

ISO 21484:2017 describes a method for determining the Oxygen-to-Metal (O/M) ratio in mixed uranium-plutonium oxide (U,Pu)O2 ± X pellets. The parameters given in the following paragraphs are relevant for pellets within a range of O/M ratio corresponding to 1,98 to 2,01. The method described in the document is adapted, with regard to the parameters, if the expected values of O/M ratio are outside the range.

Status

Standard - Active

Origin

Technical Committee :
CEN/TC 430 : Nuclear energy, nuclear technologies, and radiological protection

Implementation

start of the vote on the project    15/11/2018   date of ratification (dor)    08/03/2019
end of the vote on the project    07/02/2019   date of anouncement (doa)    30/09/2019
start of the vote on the final project    23/01/2020   date of publication (dop)    31/12/2019
end of the vote on the final project    19/03/2020   date of withdrawal (dow)    31/12/2019


Publication Official Journal
of the Grand-Duchy of Luxembourg
17/07/2019
Reference Mémorial A N° 508

International Classification for Standards (ICS codes) :

17.240 : Radiation measurements
27.120.30 : Fissile materials and nuclear fuel technology

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