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ISO 21484:2017

ISO 21484:2017

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

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General Information

Status : Active

Standard Type : Main

Document No : ISO 21484:2017

Document Year : 2017

Pages : 6

Edition : 2

Section Volume : Nuclear fuel cycle (ISO/TC 85/SC 5.)

ICS : Radiation measurements (17.240)Fissile materials and nuclear fuel technology (27.120.30)

ISO 21484:2017 describes a method for determining the Oxygen-to-Metal (O/M) ratio in mixed uranium-plutonium oxide (U,Pu)O_{2 ± 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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