C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 34/14 (2006.01) B01D 15/08 (2006.01) B01D 59/30 (2006.01) B01J 39/12 (2006.01) C01G 25/00 (2006.01) G01N 30/58 (2006.01) G01N 30/60 (2006.01) G01N 30/02 (2006.01) G01N 30/34 (2006.01) G01N 30/44 (2006.01) G01N 30/88 (2006.01)
Patent
CA 2045893
55,741 ABSTRACT OF THE DISCLOSURE The isotopes of zirconium can be partially or completely separated by loading an essentially anhydrous alcoholic 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 essentially anhydrous alcoholic solution of hydrogen chloride and collecting distinct elution volumes representative of each isotope. In a preferred embodiment, the active groups of the cation exchange resin are derived from di-2-ethylhexyl phosphoric acid, tri-n-octyl phosphine oxide or tributyl phosphate and the chromatograph is of a type, such as a continuous annular chromatograph that it can be operated in a continuous, steady state manner.
Lee Ernest Dewitt
Snyder Thomas Stephen
Bereskin & Parr
Westinghouse Electric Corporation
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