An Ion Exchange Study of Possible Hybridized 5f Bonding in the Actinides

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A study was conducted on the elution behavior of curium (III), americium (III), plutonium (III), actinium (III), plutonium (IV), neptunium (IV), uranium (IV), thorium (IV), neptunium (V), plutonium (VI), uranium (VI), lanthanum (III), cerium (III), europium (III), ytterbium (III), ytterium (III), strontium (II), barium (II), radium (II), cesium (I) with 3.2 M, 6.2 M, and 12.2 M HCI solutions from Dower-50 cation exchange resin columns. These elutions show that in high concentrations of hydrochloric acid the actinides form complex ions with chloride ion to a much greater extent than the lanthanides. In order to explain these results, a partial covalent … continued below

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53 pages : illustrations, figures, graphs, tables.

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Diamond, R. M.; Street, K., Jr. & Seaborg, Glenn T. (Glenn Theodore), 1912-1999 August 28, 1951.

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A study was conducted on the elution behavior of curium (III), americium (III), plutonium (III), actinium (III), plutonium (IV), neptunium (IV), uranium (IV), thorium (IV), neptunium (V), plutonium (VI), uranium (VI), lanthanum (III), cerium (III), europium (III), ytterbium (III), ytterium (III), strontium (II), barium (II), radium (II), cesium (I) with 3.2 M, 6.2 M, and 12.2 M HCI solutions from Dower-50 cation exchange resin columns. These elutions show that in high concentrations of hydrochloric acid the actinides form complex ions with chloride ion to a much greater extent than the lanthanides. In order to explain these results, a partial covalent character may be ascribed to the bonding in the transuranium complex ions. It is shown that a reasonable structure for such covalent bonding involves hybridization of the 5g-ortibals in the actinide elements.

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53 pages : illustrations, figures, graphs, tables.

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Contract No. W-7405-eng-48.

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  • Report No.: UCRL-1434 (Rev.).
  • Accession or Local Control No: metadc1201664
  • Grant Number: W-7405-eng-48
  • SuDoc Number: Y3.At 7:22/UCRL-1434 (Rev.)
  • Archival Resource Key: ark:/67531/metadc1201664

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  • August 28, 1951

Added to The UNT Digital Library

  • Aug. 27, 2019, 3:53 p.m.

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  • Aug. 27, 2020, 3:55 p.m.

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Diamond, R. M.; Street, K., Jr. & Seaborg, Glenn T. (Glenn Theodore), 1912-1999. An Ion Exchange Study of Possible Hybridized 5f Bonding in the Actinides, report, August 28, 1951; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc1201664/: accessed December 5, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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