Behaviors of americium in aqueous solutions containing iron.
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概要
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The effect of iron on the colloidal behaviors of americium in near-neutral solutions was studied by applying the ultrafiltration method to americium (<SUP>241</SUP>Am) solutions, iron (<SUP>59</SUP>Fe) solutions and americium/iron mixed solutions. The concentration of americium was typically about 10<SUP>-9</SUP>M and that of iron 10<SUP>-7</SUP>M. Some properties of colloidal particles were deduced from the particle-size distributions. It was revealed that the colloidal americium particles may represent pseudo colloids, which behave together with iron true colloids.<BR>The proposed simple model, in which the iron true colloid is assumed to be a chain-like polymer composed of hydroxide, is able to describe the particle-size distribution of iron colloids observed in this work. It was also found that the adsorption of americium and iron on the vessel walls depends on the particle-size distributions.
- 一般社団法人 日本原子力学会の論文
著者
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Higashi Kunio
Department Of Nuclear Engineering Kyoto University
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Moriyama Hirotake
Department Of Nuclear Engineering Kyoto University
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NAKAYAMA Shinichi
Department of Nuclear Engineering, Faculty of Engineering,Kyoto University
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ARIMOTO Hajime
Department of Nuclear Engineering, Faculty of Engineering,Kyoto University
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HIGASHI Kunio
Department of Nuclear Engineering, Faculty of Engineering,Kyoto University
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