Sequential Separation of U, Th, Pb, and Lanthanides with a Single Anion-Exchange Column
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概要
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With a combination of a single anion-exchange column and mixed media of CH3COOH and other acids (HCl and/or HNO3), 50 ng each of U, Th, Pb, and the lanthanides were sequentially separated. The mixed media including CH3COOH were effective for the sequential separation. All of the elements were more than 95% recovered, and the decontamination factor was more than 100. Major elements in geological samples such as alkali metals, alkaline earth metals, and Fe were eliminated from the column. This separation technique reduces separation time and simplifies the complicated traditional processes without any special reagents or equipments. The technique has potential for use in pg (10-12 g) level trace analysis.
- 日本放射化学会の論文
日本放射化学会 | 論文
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