Process for the separation of gadolinium isotopes

Details Process for the separation of gadolinium isotopes Process for the separation of gadolinium isotopes

1985-06-18

1987-12-08

Terapane, John F.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Rare earth metal

423 2, B01D 5930

Patent

active

047117680

ABSTRACT:
An efficient and economical separation of the gadolinium isotopes Gd.sup.155, Gd.sup.156 and/or Gd.sup.157 from mixtures containing the same is effected by a liquid chromatographic column system using an ion exchange resin and an eluant solution. A portion of the eluant solution is used to saturate the columns and a feed solution containing the mixture of gadolinium isotopes is charged to the columns. Further eluant solution is passed through the saturated columns containing the feed solution to form a fraction of eluant solution rich in the desired gadolinium isotopes which is separated from the remainder of the eluant upon discharge from the columns.

REFERENCES:
patent: 3615173 (1971-10-01), Sparks et al.
patent: 3953568 (1976-04-01), Seko et al.
patent: 4394353 (1983-07-01), Miyake et al.
patent: 4514367 (1985-04-01), Asami et al.
F. Molnar et al, J. of Chromatography, 26(1967), pp. 215-231.

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