Abstract
This paper presents a rapid and quantitative sequential radiochemical separation method for the Pu, Am, U and Np nuclides in radioactive waste samples as well as environmental samples in a hydrochloric acid medium with an anion exchange resin. From the recovery test for the actinides in acid solutions, the Pu, Am, Np and U isotopes were more rapidly purified from the actinides in a hydrochloric acid solution with the anion exchange resin than in a nitric acid solution with the anion exchange resin and TRU resin. Sequential separation method of the Pu, Np, Am and U isotopes was applied to IAEA reference samples, where the activity concentrations of the 239,240Pu, 241Am and 238U in the IAEA-375 and IAEA-326 soils were close to the reference values reported by the IAEA.
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