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Ion-Exchange Procedure Developed for Isolation of Element 106 (Seaborgium) and Study of Its Chemistry in H2SO4 and H2SO4/HF Solutions, with W as Imitator

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Abstract

Ion-exchange behavior of W, Hf, Sr (homologs of elements 106, 104, and 102, respectively), U (pseudohomolog of element 106), Cm, and Eu in H2SO4 and H2SO4/HF solutions was studied. The static and dynamic ion-exchange properties of these elements were determined as influenced by the solution composition and the nature of the ion exchanger. The best conditions were found for separating element 106 (seaborgium) from daughter elements (Rf, No, and Fm) and its pseudohomolog, U, on a single cation-exchange column with the purification coefficients of ≥105-106. A possibility of using the anion exchanger for concentrating element 106 and separating it from the long-lived decay products was demonstrated. The speciation of these elements in dilute sulfuric acid solutions and in solution containing strong complexing agents was discussed.

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  1. Russian Academy of Sciences, Vernadsky Institute of Geochemistry and Analytical Chemistry, Moscow

    L. I. Guseva & G. S. Tikhomirova

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  1. L. I. Guseva
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  2. G. S. Tikhomirova
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Guseva, L.I., Tikhomirova, G.S. Ion-Exchange Procedure Developed for Isolation of Element 106 (Seaborgium) and Study of Its Chemistry in H2SO4 and H2SO4/HF Solutions, with W as Imitator. Radiochemistry 44, 337–341 (2002). https://doi.org/10.1023/A:1020660508092

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