Liquid-liquid microbatch extraction system for rapid mutual separation of fission products |
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Authors: | Takayuki Sasaki Koichi Takamiya Takayuki Ichihara Seiichi Shibata |
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Institution: | Research Reactor Institute, Kyoto University, Noda, Kumatori, Osaka 590-0494, Japan |
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Abstract: | The liquid-liquid microbatch extraction system (LMES) was developed for rapid separation of short-lived metal ions. The equipment is composed of three simple extraction cells for phase mixing, phase separation, and collection of a solvent. Metal separation can be completed in a single operation, lasting only a minute, from solvent extraction to preparation for gamma-ray spectrometry. As a demonstration of the rapid operation of the LMES, fission products were each separated into several categories after three stages of operation. The extractability in the LMES was comparable to that of traditional methods, and the developed method was feasible for rapid separation. |
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Keywords: | Microextraction Rapid separation Fission products Gamma-ray spectrometry Super heavy elements |
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