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Journal Articles

Improvement of estimation of $$^{131}$$I concentrations in the air using data measured by monitoring posts applied by determination of passing-through time of plume using noble gas counts

Yamada, Junya; Hashimoto, Makoto; Seya, Natsumi; Haba, Risa; Muto, Yasunobu; Shimizu, Takehiko; Takasaki, Koji; Yokoyama, Sumi*; Shimo, Michikuni*

Hoken Butsuri, 52(1), p.5 - 12, 2017/03

https://doi.org/10.5453/jhps.52.5

The purpose of this study is to improve a quick method for estimation of $$^{131}$$I concentrations in the air using data measured by monitoring posts in case that a nuclear disaster occurs. In this method, $$^{131}$$I concentrations were estimated by multiplying $$^{131}$$I count rates of cloud-shine measured with NaI (Tl) detector by concentration conversion factor. A previous study suggested that it was difficult to determine passing-through time of plume from temporal change of $$^{131}$$I count rates or dose rate. Our study applies the method for estimating passing-through time of plume from temporal change of noble gas counts. The $$^{131}$$I concentrations in the air at Oarai center, Japan Atomic Energy Agency resulting from the accident at the Fukushima Daiichi Nuclear Power Plant were estimated by proposal technique. The result of comparison of this method with sampling method for $$^{131}$$I concentrations in the air were within factor 3.

Journal Articles

The Interaction of iodine with insoluble residue in the dissolution of simulated spent-fuel pellets

Sakurai, Tsutomu; ; ; Komaki, Yoshihide

Nuclear Technology, 94, p.99 - 107, 1991/04

https://doi.org/10.13182/NT91-A16225
 Times Cited Count：4 Percentile：47.84(Nuclear Science & Technology)

no abstracts in English

Journal Articles

The Behavior of fission products captured in graphite powder by nuclear recoil, 8; Further studies of iodine-131 deffused out of graphite

; Shiba, Koreyuki;

Bulletin of the Chemical Society of Japan, 38(2), p.278 - 281, 1965/00

https://doi.org/10.1246/bcsj.38.278
 Times Cited Count：5

no abstracts in English

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