Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Radioactive metal
Patent
1972-07-17
1976-04-27
Padgett, Benjamin R.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Radioactive metal
423 2, 423139, 423157, 423181, 423276, 423351, 423414, C01g 4300, C01g 5300, C01g 5700
Patent
active
039535681
ABSTRACT:
A method of simultaneously obtaining separate enriched fractions of heavier and lighter isotopes from mixtures thereof with the use of an ion exchange resin column by passing a ligand body containing this isotope mixture through the column. The isotopes, as they are passed through the column, are present in the forms of ligand-containing coordination compounds having different valence states and are followed by an eluant and form a band which travels through the column, the front and rear portions of which are respectively enriched in one of the isotopes and depleted in the other.
REFERENCES:
patent: 3511620 (1970-05-01), Shimokawa et al.
patent: 3522172 (1970-07-01), Pretorius et al.
Grant, "Hackh's Chemical Dictionary," 4th Ed., p. 156, McGraw-Hill Book Company (1969) New York.
Spedding, "Macro Separation of Stable Isotopes on Ion-Exchange Columns," Journal de Chimie Physique, Vol. 60, pp. 89-96, 1963.
Kakihana et al, "Ion-Exchange Separation of Isotopes," Nuc. Sci. Abst., Vol. 17, No. 4, Abst. No. 23839, 1963.
Kakihana, "Ion-Exchange Separation of Lithium, Nitrogen, and Uranium Isotopes," J. de Chimie Physique, Vol. 60, pp. 81-88, 1963.
Glueckauf, "Separation of Isotopes By ... Ion-Exchange Chromatography," J. de Chimie Phys., Vol. 60, pp. 73-80, 1963.
Perret et al., "... Processes Involving the Isotopes of Lithium" Proc. 2nd U.N. Int'l. Conf. on Peaceful Uses of Atomic Energy, Vol. 4, pp. 598-599, 1958.
Forberg et al., "Enrichment of Heavy Sulfur Isotopes with an Anion Exchanger," Proc. Int'l. Smyp. on Isotope Separation, pp. 243-246, 1958.
Kakihana Hidetake
Seko Maomi
Miller E. A.
Padgett Benjamin R.
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