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Standard

NS-EN ISO 9161:2021

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Abstract

This document specifies a method of determining the apparent density and tap density of free-flowing uranium dioxide (UO2) powder which will be used for pelleting and sintering of UO2 pellets as a nuclear fuel. This method can be used for different UO2 powder types including grains, granules, spheres or other kinds of particles. The method can also be applied to other fuel powders as PuO2, ThO2 and powder mixtures as UO2-PuO2 and UO2-Gd2O3. This document is based on the principle of using a flowmeter funnel (see 4.1). Other measurement apparatus, such as a Scott volumeter, can also be used.

Document information

  • Standard from SN
  • Published:
  • Edition: 2021-02
  • Version: 1
  • Document type: NAT
  • ICS 27.120.30
  • National Committee CEN/TC 430

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  • Adopted from: EN ISO 9161:2021 , 0