CPC G21G 1/001 (2013.01) [B01D 15/1871 (2013.01); B01D 15/362 (2013.01); B01D 15/363 (2013.01); C01B 15/0475 (2013.01); C01F 17/13 (2020.01); G21G 1/10 (2013.01); G21G 2001/0089 (2013.01); G21G 2001/0094 (2013.01)] | 33 Claims |
1. A method of separating thorium from actinium and/or radium, the method comprising:
placing the thorium and the actinium and/or radium in a weak acid solution;
adding a selective precipitant to the weak acid solution and precipitating a bulk portion of the dissolved thorium under precipitation conditions while leaving the actinium and/or radium in the solution; and
filtering to separate the precipitated bulk portion of the thorium from the actinium and/or radium in the solution.
|