Field test of new TASTEX system for plutonium product verification at the Tokai reprocessing plant

Conference · Fri Jan 01 04:00:00 EST 1988 · Nucl. Mater. Manage. Annu. Meet. Proc.; (United States)

OSTI ID:6772037

Kuno, Y; Shigeoka, K; Nishida, K; Ikeda, H; Hayashi, N; Wachi, I ^[1]; Hsue, S T; Sprinkle, J K ^[2]; Gunnink, R; Ruhter, W D ^[3]

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1. Power Reactor and Nuclear Fuel Development Corp. (PNC), Tokai-mura, Naka-gun, Ibaraki-ken 319-11 (JP)
2. Los Alamos National Lab., (LANL), Los Alamos, NM (US)
3. Lawrence Livermore National Lab., (LLNL), Livermore, CA (US)

This report describes the field test results of the New TASTEX system. This system consisting of the high resolution gamma spectrometer and the kappa-edge densitometer can measure both isotopic abundances and concentration of plutonium simultaneously. Entire system is controlled by the multi-channel analyser and a multi-user computer. The system was designed and built under the Japan Support Program for Agency Safeguards (JASPAS). The software of this system developed at LANL and LLNL has been installed in the system assembled at the Tokai reprocession plant (TRP) in July 1985. In the course of campaigns from 1985 till 1988, field tests have been carried out on plutonium product solutions of TRP. The results of plutonium concentration and isotopic abundances obtained by the kappa-edge densitometer and the high resolution gamma spectrometer (HRGS) have been compared with those by controlled potential coulometer and mass spectrometer respectively. Precision of plutonium determination with kappa-edge densitometer is estimated approximately 0.7% and 1.0% for the freshly processed plutonium and the aged plutonium respectively. The scatters in the relative differences between HRGS and the destructive analysis (DA) detected on the results of freshly processed plutonium sample were 1.6%, 0.4%, 0.5%, 1.1%, 8.0% for Pu-238, Pu-239, Pu-240, Pu-241, Pu-242 respectively, whereas those on the results of aged sample were 1.4%, 0.5%, 1.1%, 1.1% for Pu-238, Pu-239, Pu-240, Pu-241 respectively.

• OSTI ID: 6772037
• Report Number(s): CONF-880631-
• Conference Information: Journal Name: Nucl. Mater. Manage. Annu. Meet. Proc.; (United States) Journal Volume: 17
• Country of Publication: United States
• Language: English

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