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Solvent extraction of uranium(VI) using dibenzo-18-crown-6 in nitrobenzene from ammonium thiocyanate medium

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Abstract

Solvent extraction of uranium(VI) from aqueous solutions of ammoniumthiocyanate has been investigated in the presence of dibenzo-18-crown-6. Uranium(VI)was quantitatively extracted from 1.0M ammonium thiocyanate using 0.01M dibenzo-18-crown-6in nitrobenzene. Back extraction of U(VI) was quantitative with various strippingagents. Separation of U(VI) from other elements was achieved from binary aswell as multicomponent mixtures. Uranium was determined in monazite sand andsyenite rock samples. The method is very simple, rapid and highly reproducible(approximately ±2%).

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  1. Environmental Analytical Chemistry Laboratory, Department of Chemistry, Shivaji University, Kolhapur, 416 004, India

    S. M. Sawant

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  1. S. M. Sawant
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Sawant, S.M. Solvent extraction of uranium(VI) using dibenzo-18-crown-6 in nitrobenzene from ammonium thiocyanate medium. Journal of Radioanalytical and Nuclear Chemistry 249, 613–616 (2001). https://doi.org/10.1023/A:1013206517457

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  • DOI: https://doi.org/10.1023/A:1013206517457

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