Chromatographic separation of zirconium isotopes with reduced wa

Details Chromatographic separation of zirconium isotopes with reduced wa Chromatographic separation of zirconium isotopes with reduced wa

1990-07-19

1992-05-05

Morris, Theodore

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423 2, 423 215, 423 76, 423 73, 423DIG7, 75612, 210656, 210660, C22B 3410

Patent

active

051105667

ABSTRACT:
The isotopes of zirconium can be partially or completely separated by loading an aqueous solution of an ionic compound of zirconium onto a cationic exchange resin with pentavalent phosphorus derived active groups which serves as the stationary phase of a chromatograph, eluting the compound with an aqueous acid and collecting distinct elution volumes representative of each isotope. In a preferred embodiment, the eluant is a strong mineral acid, such as hydrochloric acid and the chromatograph is of a type, such as a continuous annular chromatograph, that it can be operated in a continuous, steady state manner.

REFERENCES:
patent: 2546953 (1951-03-01), Street, Jr.
patent: 2759793 (1956-08-01), Lister et al.
patent: 3971842 (1976-07-01), Ewbank
patent: 4584183 (1986-04-01), Chiang et al.
Byers et al., "Pilot Scale Studies of Sugar Separations by Continuous Chromatography".

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