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ISO 21484:2017

Nuclear Energy — Fuel technology — Determination of the O/M ratio in MOX pellets by the gravimetric method ISO 21484:2017

Publication date:   Jan 30, 2017

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90.60 Close of review   Jun 14, 2022

ISO

ISO/TC 85/SC 5 Nuclear installations, processes and technologies

International Standard

27.120.30   Fissile materials and nuclear fuel technology | 17.240   Radiation measurements

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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.

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ISO 21484:2008

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PUBLISHED
ISO 21484:2017
90.60 Close of review
Jun 14, 2022