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Miyamoto, Yutaka; Yasuda, Kenichiro
Journal of Nuclear and Radiochemical Sciences (Internet), 18, p.13 - 15, 2018/07
A sequential separation technique using an anion-exchange column developed in the previous works have the potential to completely separate picograms of Am from the lanthanides using mixtures of acetic acid, hydrochloric acid, and nitric acid as the eluents, without any functional ligands or special columns. This experimental result implies that ultra-trace actinides, including Am, Pu, U, and Th in environmental samples can be sequentially separated by combination of these mixed-media eluents and an anion exchange column.
Miyamoto, Yutaka; Yasuda, Kenichiro
no journal, ,
Automatic and sequential separation of actinides including Am, Th, U, Pu, and lanthanides from other elements was achieved by using a small anion-exchange column. Americium was completely separated from lanthanides by eluting the Am with a mixture of highly pure acids including acetic acid, hydrochloric acid, and nitric acid without any special chelate reagents. This simple technique has excellent ability to separate actinides from the matrix elements including lanthanides. The application to environmental samples and optimized separation conditions will be shown.
