Abstract
The chromatographic behaviour of a tri- n-butyl phosphate (TBP)-impregnated macroporous Amberlite XAD-4 column was investigated for the separation of uranium from impurity elements in nuclear-grade uranium compounds prior to analysis by inductively coupled plasma atomic emission spectrometry (ICP-AES). The parameters affecting separation with this column were optimized. The proposed separation method proved to be rapid and efficient. High recovery factors for all the impurity elements were obtained. The procedure is suitable for routine application to the determination of the impurity elements Mo, Zr, Cd, Co, Ni, Ba, B, Mg, Mn, Fe, Cr, Al, V, Be, Cu, Ti, Se, Zr, Sr, Ca and As.
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