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Okagawa, Seigo; Nagai, Hitoshi*; Abe, Hitoshi*; Tashiro, Shinsuke
JAERI-Tech 2003-068, 17 Pages, 2003/08
To study the release mechanism of iodine from the dissolver solution in the nuclear fuel reprocessing plants to the atmosphere at criticality accidents, the characteristics of redox of iodine species in various solutions must be examined. In the present work, the effect of -ray irradiation on the redox reaction was examined in the nitric acid solution of 1M and 3M. Without irradiation, most of iodine in 1M nitric acid solutions were exist in the form of I
. In 3M nitric acid solutions, iodine was oxidized to I
. When the solutions were irradiated by
-ray with exposure of more than 4C/kg, I
was disappeared regardless of nitric acid concentration. At exposure of 120C/kg, iodine was oxidized to IO
. At exposure of 4800C/kg, iodine was exist in the form of IO
in 1M nitric acid solution. On the other hand, iodine in 3M nitric acid solution was reduced to I
at the same exposure. In the irradiated solution, nitrous acid was found, which would be produced from nitric acid by
-ray irradiation.
Abe, Hitoshi; Tashiro, Shinsuke; Koike, Tadao; Okagawa, Seigo; Uchiyama, Gunzo
Proceedings of the 2001 Topical Meeting on Practical Implementation of Nuclear Criticality Safety (CD-ROM), 8 Pages, 2001/11
no abstracts in English
Abe, Hitoshi; Tashiro, Shinsuke; Koike, Tadao; Okagawa, Seigo; Uchiyama, Gunzo
JAERI-Research 2001-027, 20 Pages, 2001/03
no abstracts in English
Abe, Hitoshi; Tashiro, Shinsuke; Nagai, Hitoshi; Koike, Tadao; Okagawa, Seigo; Murata, Mikio
JAERI-Tech 99-067, p.23 - 0, 1999/09
no abstracts in English
; Dojiri, Shigeru; ; ; Okagawa, Seigo; Moriyama, Noboru
JAERI-M 88-027, 57 Pages, 1988/02
no abstracts in English
Yamamoto, Katsumune; Yokouchi, Iichiro; Okagawa, Seigo; ;
JAERI-M 83-007, 50 Pages, 1983/03
no abstracts in English
; Okagawa, Seigo; ; ; ; ; ; Wadachi, Yoshiki; Araki, Kunio;
JAERI-M 9380, 59 Pages, 1981/03
no abstracts in English
Yamamoto, Katsumune; ; Okagawa, Seigo; Yokouchi, Iichiro;
Journal of Nuclear Science and Technology, 17(1), p.67 - 76, 1980/00
Times Cited Count:1 Percentile:22.64(Nuclear Science & Technology)no abstracts in English
Yamamoto, Katsumune; Okagawa, Seigo; Yokouchi, Iichiro; ;
JAERI-M 7801, 15 Pages, 1978/08
no abstracts in English
; Okagawa, Seigo
JAERI-M 7093, 10 Pages, 1977/05
no abstracts in English
; Yamamoto, Katsumune; Okagawa, Seigo; Yokouchi, Iichiro; Atomura, Masakatsu*
JAERI 1213, 30 Pages, 1972/02
no abstracts in English
; Yamamoto, Katsumune; Okagawa, Seigo; Yokouchi, Iichiro; Atomura, Masakatsu*
JAERI-M 4594, 211 Pages, 1971/09
no abstracts in English
Tone, Hirohito; Yamamoto, Katsumune; Okagawa, Seigo; Yokouchi, Iichiro; Atomura, Masakatsu*
JAERI 1204, 11 Pages, 1971/03
no abstracts in English