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Report No.

Progress in domestic securement of Pu standard material

Motoki, Chika*; Furuta, Koya*; Yamaguchi, Kazuya*; Saito, Shingo*; Fujiwara, Hideki*; Shibano, Koya; Sumi, Mika; Kageyama, Tomio

Certified Reference Materials (CRMs) of uranium and plutonium are necessary to perform Isotope Dilution Mass Spectrometry (IDMS) for nuclear material accountancy. Qualified Pu standard Material is a highly precious resource on a global scale. Therefore domestic securement of the material is strongly desired. JNFL entrust the development of preparation technique of Pu standard material to JAEA. Recently, purified Pu nitrate solution from MOX powder stored at JAEA was characterized. The framework for certification is presented in this brief.



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