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  • 1 The University of Burdwan Nuclear and Analytical Chemistry Laboratory, Department of Chemistry 713104 Burdwan India
  • 2 Saha Institute of Nuclear Physics Nuclear Chemistry Division 1/AF, Bidhannagar 700064 Calcutta India
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Carrier free promethium was produced by proton activation in neodymium target. Extraction behavior of both the elements were studied by HDEHP. A pronounced synergism had been observed by the binary mixture of HDEHP and PC88A. Presence of H2O2 in aqueous phase also increases the separation factor.