Separation of uranium and thorium using tris(2-ethylhexyl) phosphate as extractant

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Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai 400 085, India [1 ]
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J. Radioanal. Nucl. Chem. | / 1卷 / 15-18期
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Metal ions - Uranium;
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摘要：
The distribution behavior of uranium and thorium has been investigated in a biphasic system of different aqueous nitric acid concentrations and a solution of tris(2-ethylhexyl) phosphate (TEHP) in n-dodecane at 25 °C. The effect of different uranium and thorium concentrations in the aqueous phase on the extraction of these metal ions is evaluated. These results indicate that TEHP is a better choice than tri-n-butyl phosphate (TBP) for the separation of 233U from the irradiated thorium matrix.
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