EXTRACTION CHROMATOGRAPHIC SEPARATION OF PROMETHIUM FROM HIGH ACTIVE WASTE SOLUTIONS OF PUREX ORIGIN
作者： A. Ramanujam , P.V. Achuthan , P.S. Dhami , V. Gopalakrishnan , R. Kannan
DOI: 10.1080/07366299508918276
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摘要: ABSTRACT An extraction chromatographic procedure for the separation of 147Pm from High Active Waste solutions Purex process has been developed. Octy1(pheny1)-N,N-diisobutylcarbamoylmethy1phosphine oxide(CMPO) and 2-ethylhexy1-2-ethylhexylphosphonic acid (KSM-17), both sorbed separately on an inert support(chromosorb-102) have sequentially employed this purpose. In CMPO column, rare earths trivalent actinides are together with uranium, plutonium traces few other fission products. The elution column 0.04 M HNO3 gives eluate containing lanthanides. This solution, after adjusting pH to 2.0, is used as feed second based KSM-17. All metal ions leaving trace impurities in effluent. Fractional carried out nitric varying concentrations, At 0.09 HNO3, pure beta emitting fracti...
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