Analysis of alpha nuclides contained in metal waste of which surface is contaminated with radionuclides using extraction chromatography

Shimada, Asako ; Haraga, Tomoko ; Kameo, Yutaka ; Nakashima, Mikio; Takahashi, Kuniaki

As a rapid and simple analytical method for alpha nuclides in metal waste of which surface was contaminated by radionuclides, extraction chromatography using TRU resin for analysis of Pu and Am and UTEVA resin for analysis of Th and U is evaluated. The metal waste contained lots of Fe. Trivalent iron interfere the adsorption of trivalent actinides on TRU resin. Therefore, trivalent iron was reduced bivalent with excess amount of ascorbic acid. Since F $^{-}$ interfere the adsorption of Th on UTEVA resin, Al $^{3+}$ was generally added into the sample solution to mask F $^{-}$ . Since Fe $^{3+}$ also can mask F $^{-}$ , addition of Al $^{3+}$ was deleted. The developed schemes were examined with dissolved solution of stainless steel and good recovery of Th, U, Pu, and Am was obtained. Therefore, contaminated metal waste was analyzed using the scheme.

Language	:	Japanese
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Meeting title	:	日本分析化学会関東支部第6回茨城地区分析技術交流会
Held date	:	2009/12
Location (city)	:	東海
Location (country)	:	日本
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Research Facility	:	バックエンド技術開発建家
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Registration No. : BB20092544
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