| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 01.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Process for preconcentrating & separating radium from con taminated soln contg water & radium - Adding water-soluble macrocyclic polyether to contamina ted soln - Adding acid such that proton concn 0.5 M - Contacting acidic combined soln with sulfonic acid-based strong acid cation exchange medium having plurality of binding sites thereon to bind radium thereto & form radium- depleted soln - Separating radium-depleted soln from strong acid cation exchange medium |
| PATENT PHOTOCOPY | Available on request |
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