C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/426.5, 204/9
C07F 7/00 (2006.01) B01D 59/34 (2006.01)
Patent
CA 1173054
ABSTRACT OF THE DISCLOSURE 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 per- mitting 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°C.
403916
Peterson Steven H.
Phillips D. Colin
Oldham And Company
Westinghouse Electric Corporation
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