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Separation and concentration of technetium using a Tc-selective extraction chromatographic resin

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Abstract

For99Tc separation from environmental samples, liquid-liquid extraction, ion-exchange chromatography and coprecipitation, have been described. Although these methods are removing matrix elements, some combinations of them is necessary for purification and concentration of Tc. Besides, the procedures are time-consuming and generally a week or more is needed to purify Tc in the samples. In this study, a novel extraction chromatographic resin for the separation and preconcentration of Tc from several kinds of solutions is described. The material is shown to retain Tc efficiently and selectively from these solutions. Sorbed Tc is readily recovered using 5 ml of 12M HNO3 and the recoveries with95mTc are more than 97% for all sample solutions.

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Authors and Affiliations

  1. Environmental and Toxicological Sciences Research Group, National Institute of Radiological Sciences, Isozaki 3609, 311-12, Hitachinaka-shi, Ibaraki, Japan

    S. Uchida & K. Tagami

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  1. S. Uchida
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  2. K. Tagami
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Uchida, S., Tagami, K. Separation and concentration of technetium using a Tc-selective extraction chromatographic resin. J Radioanal Nucl Chem 221, 35–39 (1997). https://doi.org/10.1007/BF02035239

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  • DOI: https://doi.org/10.1007/BF02035239

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