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JAEA Reports

Development of nondestructive measurement technique in $$alpha$$-waste including neptunium

Kurosawa, Makoto; Ouchi, Shoichi*; Abe, Jiro; Okane, Shogo; Usui, Takeshi

JAERI-Tech 2002-036, 24 Pages, 2002/03

JAERI-Tech-2002-036.pdf:1.0MB

Method for measurement of plutonium in $$alpha$$-waste using passive $$gamma$$ ray has been adopted at Plutonium Fuel Research Facility. Recently, research of neptunium has been started. It is necessary to evaluate the passive $$gamma$$ ray method for measurement of plutonium in $$alpha$$-waste including plutonium and neptunium together. This report describes the results of comparing the two methods, deduction method and division method. The error of deduction method is about 10 to 15% when the quantity of plutonium is larger than 100 mg in the waste. But the error reaches more than 50% when the quantity of plutonium is less than 10 mg and the ratio of plutonium and neptunium is less than one. On the other hand, the error of division method is about a few to 15% when the quantity of plutonium is larger than 100 mg in the waste. The error is about 30 to 50% when the quantity of plutonium is less than 10 mg, but the error is not affected by the ratio of plutonium and neptunium. By reason of this results, the division method is adopted for measurement of plutonium in $$alpha$$-waste including neptunium.

JAEA Reports

Scrap of gloveboxes No.801-W and No.802-W

Ouchi, Shoichi*; Kurosawa, Makoto; Abe, Jiro; Okane, Shogo; Usui, Takeshi

JAERI-Tech 2002-026, 35 Pages, 2002/03

JAERI-Tech-2002-026.pdf:2.32MB

Both gloveboxes No.801-W for measuring samples of uranium or plutonium and No.802-W for analyzing the quantity of uranium or plutonium are established at twenty five years ago in the analyzing room No.108 of Plutonium Fuel Research Facility. It was planned to scrap the gloveboxes and to establish new gloveboxes. This report describes the technical view of the scrapping works.

Journal Articles

Mock-up test of remote controlled dismantling apparatus for large-sized vessels

Kimura, Masanori; Myodo, Masato; Okane, Shogo; Miyajima, Kazutoshi

Proceeding of International Waste Management Symposium 2002 (WM '02) (CD-ROM), 14 Pages, 2002/00

no abstracts in English

JAEA Reports

Mock-up test of remote controlled dismantling apparatus for large-sized vessels (Contract research)

Myodo, Masato; Okane, Shogo; Miyajima, Kazutoshi

JAERI-Tech 2001-025, 59 Pages, 2001/03

JAERI-Tech-2001-025.pdf:4.73MB

no abstracts in English

Journal Articles

The mock-up test of remote controlled dismantling apparatus for large-sized vessels

Myodo, Masato; Okane, Shogo; Miyajima, Kazutoshi

Dekomisshoningu Giho, (23), p.2 - 16, 2001/03

no abstracts in English

Journal Articles

Treatment program for liquid waste in JAERI's reprocessing test facility

Okane, Shogo; Miyajima, Kazutoshi; Takahashi, Hideki;

The 3rd JSME/ASME Joint Int. Conf. on Nuclear Engineering (ICONE),Vol. 4, 0, p.1905 - 1908, 1995/00

no abstracts in English

Journal Articles

Radiogas-chromatographic determination of chemical and isotopic purity of tritium gas in tritium production

Tanase, Masakazu; Kurosawa, Kiyoyuki; Fujie, Makoto; Sugai, Hiroyuki; Okane, Shogo; Kato, Mineo

Fusion Technology, 14, p.1090 - 1095, 1988/09

no abstracts in English

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