Zirconium isotope separation

Details Zirconium isotope separation Zirconium isotope separation

1981-06-04

1983-06-21

Kyle, Deborah L.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

B01D 5900

Patent

active

043892922

ABSTRACT:
Disclosed is a method of altering the zirconium 91 isotopic content of zirconium by raising a zirconium chelate ligand from a ground state to an activated state in the presence of a scavenger which reacts with the activated state but not with the ground state, and permitting about 25 to about 75% of the zirconium chelate to react with the scavenger. The reaction may be performed in a solution of the zirconium chelate ligand using water as a solvent. Activation of the zirconium chelate may be accomplished by using light and having a wavelength of about 220 to about 350 nm or by heating to about 80 to about 100.degree. C.

REFERENCES:
patent: 4330382 (1982-05-01), Yardley et al.
patent: 4351707 (1982-09-01), Turro
Kraeutler et al, "Photolysis of Dibenzyl Ketone . . . " Chem. Phys. Lett. 70(2) (Mar. 1980) pp. 266-269.
Turro et al, "Magnetic Isotope Effect . . . " J. Amer. Chem. Soc. 102(3) (Jan. 1980) pp. 1190-1192.
Stevenson et al, "Partial Photoresolution", J. Amer. Chem. Soc. 90(11) (May 1968) pp. 2974-2975.
Johnson et al, "Potassium Tetraoxalatozirconate (IV) . . . " Inorg. Syn. vol. 8 (1966) pp. 40-44.

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