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Report No.

Present status and future plans of the collaboration study for preparation of Pu reference materials with NBL

Sumi, Mika; Kageyama, Tomio ; Suzuki, Toru 

All accountancy analysis at the Plutonium Fuel Development Center of JAEA is performed by isotope dilution mass spectrometry (IDMS) with well-characterized standard materials. Though Pu reference materials has been supplied from foreign country, importing those Pu materials is gradually becoming more difficult. Thus, in order to establish the capability for the preparation of Pu reference materials, JAEA has started collaborative work with New Brunswick Laboratory (NBL) who has high skills for preparing and supplying nuclear reference materials for long periods. One of the targets of this collaboration is preparation of standard material for IDMS which called LSD spike. MOX powder which has been stored in JAEA was dissolved and purified to obtain Pu solution. A small portion of the purified solution was transported to NBL for analysis. LSD spike will be prepared from this Pu solution and then validation analysis and performance test including stability test will be performed.



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