Ion exchange method for separation of scandium and thorium

Details Ion exchange method for separation of scandium and thorium Ion exchange method for separation of scandium and thorium

1987-04-23

1988-08-23

Stoll, Robert L.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210682, 210688, 423 7, 423 215, 423DIG14, 75101BE, 75121, B01D 1504

Patent

active

047659092

ABSTRACT:
A method for a quantitative separation of scandium from thorium comprises adsorption of both metals on a cation exchange resin followed by selective elution of scandium with an acidic solution of a chelating agent followed by the elution of thorium by a six normal hydrochloric acid solution.

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patent: 3146063 (1964-08-01), Moore et al.
patent: 3575687 (1971-04-01), Drobnick
patent: 4459268 (1984-07-01), Clifton et al.
patent: 4624703 (1986-11-01), Vanderpoll et al.
patent: 4626280 (1986-12-01), Vanderpoll et al.

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