SEPARATION OF YTTRIUM AND FISSION-PRODUCT RARE EARTHS BY ION EXCHANGE AT ROOM TEMPERATURE
Technical Report
·
OSTI ID:4298623
Determination of a large number of cross sections for the formation of yttrium and light rare earths in deuteron fission of uranium required a reliable chemical-separation method. In the method that has been used successfully, the separation is made using 8 to 15 mg of carriers on colloidal Dowex-50, eluting with 0.70M ammonium lactate, pH 3.30, at room temperature. Over-all chemical yields were regularly in the range of 80 to 85%, and adequate separation of adjacent rare earths was achieved. A disadvantage of the method is the relatively long time, about 35 hours, required for the elution through the neodymium band. (auth)
- Research Organization:
- Clark Univ., Worcester, Mass.
- NSA Number:
- NSA-12-016293
- OSTI ID:
- 4298623
- Report Number(s):
- AECU-3807
- Country of Publication:
- United States
- Language:
- English
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