NDA MEASUREMENT OF THE ENRICHMENT OF URANIUM IN THE PIPE FOR A GAS CENTRIFUGE ENRICHMENT PLANT.

被引:0
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作者
Hori, M. [1 ]
Ishiga, T. [1 ]
Akiba, M. [1 ]
Tani, A. [1 ]
Omae, M. [1 ]
机构
[1] Power Reactor & Nuclear Fuel, Development Corp, Okayama, Jpn, Power Reactor & Nuclear Fuel Development Corp, Okayama, Jpn
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CHEMICAL OPERATIONS - Inspection - GAMMA RAYS - Measurements - NUCLEAR FUELS - Processing;
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摘要
A NDA instrument has been developed to determine the enrichment of gas phase uranium in pipes for a gas centrifuge enrichment plant. The enrichment of gas phase uranium could be measured by combining the passive gamma rays measurement with X-ray fluorescent analysis. The passive gamma rays measurement has extensively been performed in the last works. Successively the amount of deposited uranium has been measured for a long-term plant operations. Some increase of deposited uranium was observed. Determination of total mass of uranium in a pipe was studied by X-ray fluorescent analysis on a test loop system. It was found that total mass of gaseous UF in the pipe could be determined accurately enough in implementation of safeguards.
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页码:648 / 652
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