THE SEPARATION OF THE RARE EARTHS IN A LINDSEY CONCENTRATE BY ION EXCHANGE. Report 74. Period covered: June 22, 1956 to March 30, 1957
Technical Report
·
OSTI ID:4141069
The ion-exchange separation of the rare earths was applied to Lindsey's yttrium concentrate. Passing the rare-earth solution through three band lengths gave 50% of the yttrium at a purity of 99% plus when charging about 3000 g of concentrate to a 6-in. ion-exchange-column system. Dysprosium and erbium were obtained in high purity from 4-in. columns by combining the heavys from several runs. Similarly, holmium, thulium, and ytterbium were obtained from 2-in. columns. Pure lutetium could not be obtained. (auth)
- Research Organization:
- Michigan Chemical Corp., St. Louis, Mich.
- NSA Number:
- NSA-14-025558
- OSTI ID:
- 4141069
- Report Number(s):
- TID-6430
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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