Separation of americium from europium by biopolymer microcapsules enclosing Cyanex 301 extractant |
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| Authors: | H Mimura H Hoshi K Akiba Y Onodera |
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| Institution: | (1) Institute for Advanced Materials Processing, Tohoku University, Katahira-2, Aoba-ku, Sendai, 980-8577, Japan;(2) Tohoku National Industrial Research Institute, Nigatake-4, Miyagino-ku, Sendai, 983-8551, Japan |
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| Abstract: | Microcapsules enclosing an extractant with strong affinity for Am were prepared by employing a biopolymer gel as an immobilization matrix. A relatively large separation factor between Am and Eu was exhibited by the microcapsule containing of bis(2,4,4-trimethylpentyl)dithiophosphinic acid (Cyanex 301, HA) and alginic acid (HALG). The chromatographic separation of these metal ions was accomplished by gradient elution through the column packed with HA-HALG. |
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