The study of trivalent actinide(An(III))interactions with nitrogen and oxygen donor(N,O-donor)extractants is highly relevant to efforts aimed at closing the nuclear fuel cycle.Despite their importance,extraction of tr...The study of trivalent actinide(An(III))interactions with nitrogen and oxygen donor(N,O-donor)extractants is highly relevant to efforts aimed at closing the nuclear fuel cycle.Despite their importance,extraction of transplutonium actinides remains underexplored.A popular N,O-donor extractant,phenanthroline diamide(DAPhen),has incurred interest for f-element separations due to numerous positive qualities such as molar acid stability,a pre-organized binding mode,and tunable amide functionalities.Solvent extraction experiments of TEtDAPhen in nitrobenzene demonstrated selectivity for multiple An(III)(An=Am,Cm,Bk,Cf)metals over Eu(III).展开更多
基金supported by the U.S.Department of Energy Office of Science,Office of Basic Energy Sciences,and Colorado School of Mines under award number DE-SC0020189(E.M.A.,S.S.G.,J.A.J.,and J.C.S.)We thank the U.S.Department of Energy,Office of Science,Office of Basic Energy Sciences,Heavy Element Chemistry program(2020LANLE372)(J.C.G.,B.L.H.,J.G.K,S.A.K.)+1 种基金the US Department of Energy,National Nuclear Security Association(NNSA),Plutonium Modernization Program(NA-191,B.N.L.)for funding the synthesis and characterization of Am(TEtDAPhen)(NO3)3 complexAdditional support for this effort came from LANL’s LDRD projects(20220054DR)for characterization measurements.
文摘The study of trivalent actinide(An(III))interactions with nitrogen and oxygen donor(N,O-donor)extractants is highly relevant to efforts aimed at closing the nuclear fuel cycle.Despite their importance,extraction of transplutonium actinides remains underexplored.A popular N,O-donor extractant,phenanthroline diamide(DAPhen),has incurred interest for f-element separations due to numerous positive qualities such as molar acid stability,a pre-organized binding mode,and tunable amide functionalities.Solvent extraction experiments of TEtDAPhen in nitrobenzene demonstrated selectivity for multiple An(III)(An=Am,Cm,Bk,Cf)metals over Eu(III).
