Effect of neptunium ions on corrosion of stainless steel in nitric acid solution

Motooka, Takafumi; Ishikawa, Akiyoshi; Numata, Masami; Endo, Shinya; Itonaga, Fumio; Kiuchi, Kiyoshi; Kizaki, Minoru

An effect of neptunium ions on corrosion of stainless steel in nitric acid solution was investigated by corrosion tests. Type SUS304L stainless steel was used for the tests. The corrosion tests were conducted in 9kmol/m $^{3}$ nitric acid solutions containing neptunium ions, where test specimens were immersed or heat-transferred. As a result, we found that neptunium ions promote corrosion of stainless steels in nitric acid solution. This finding would contribute to modifications of the materials for spent fuel reprocessing process.

Language	:	Japanese
Report No.	:	JAEA-Research 2007-031
Pages	:	20 Pages
Publication Year/Month	:	2007/03
Patent information	:
PDF	:	JAEA-Research-2007-031.pdf:2.0MB
Paper URL	:	https://doi.org/10.11484/jaea-research-2007-031
Keywords	:	no keyword
Research Facility	:	WASTEF(廃棄物安全試験施設)
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Article of JAEA R&D Review	:
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Registration No. : RS20070031
JAEA Abstracts No. : 35000442

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