| Autor: |
Rossmanith, Kurt, Unfried, Peter |
| Zdroj: |
Chemical Monthly / Monatshefte für Chemie; 1989, Vol. 120 Issue 10, p849-862, 14p |
| Abstrakt: |
The chemical reactions involved were investigated in more detail and methods for treatment of larger quantities were developed. Contrary to former opinions, the hydrolysis of the partially decomposed melt is decisive for the quality of separation. The reaction of the melt with water occurs in two steps, and in both cases distribution coefficients K of Er up to 4 could be achieved. From 12kg yttrium earth oxide around 8kg were prepared nearly free from Er and the heavier YE. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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