Separation and determination of uranium and thorium in zircon sands by extraction chromatography |
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| Authors: | S. Bazzarri D. Desideri L. Staccioli C. Testa |
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| Affiliation: | (1) E.N.E.A., C.R.E. Casaccia, Rome, Italy;(2) Institute of General and Inorganic Chemistry, Faculty of Pharmacy, University of Urbino, Urbino, Italy |
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| Abstract: | An extraction chromatography method with a column of microporous polyethylene supporting tri-n-octylamine /TNOA/ was used to separate uranium and thorium from zircon sands. The two elements were determined both by physical-chemical techniques /fluorimetry and colorimetry/ and by radiometric techniques /alpha spectrometry/ after electrodeposition: their respective contents agreed well; furthermore, uranium and thorium isotopes resulted in secular equilibrium in the analyzed material. |
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