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- W145776821 abstract "Solvent extraction of Pa/sup 233/ from irradiated thorium nitrate by methylisobutylketone was studied with prepared mixtures of thorium nitrate (2g) in 8 N HCl and various radioactive tracers (Zr/sup 95/, Nb/sup 95/, Th/sup 234/, U/sup 233/, and Pa/sup Mechanical shaking of 5 ml of solutions with equal amounts of methylisobutylketone separated the phases, and the concentration of radioisotopes was determined by BETA and alpha emissions. Further purification of Pa/sup 233/ was checked by the half life (27.3 days), BETA emission in Al absorption, and by spectroscopy. In Pa/sup 233/ BETA spectra (E/ sub BETA //sub 1/ = 0.15 Mev (37%), E/sub BETA //sub 2/ = 0.257 Mev (58%), and E/sub BETA //sub 3/ = 0.568 Mev (5 %)! the radiochemical purity of Pa/sup 233/ was confirmed. (R.V.J.)" @default.
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- W145776821 date "1962-01-01" @default.
- W145776821 modified "2023-09-26" @default.
- W145776821 title "ANALYTICAL METHOD OF PROTACTINIUM-233 SEPARATION BY EXTRACTION WITH METHYLISOBUTYLKETONE" @default.
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