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- Title
Solvent extraction behaviors of Americium(III) and Europium(III) using 2-hydroxy-2-methyloctanoic acid and 2-hydroxy-2-trifluoromethyloctanoic acid.
- Authors
Seike, Moe; Eguchi, Mai; Shinohara, Atsushi; Yoshimura, Takashi
- Abstract
Solvent extraction behaviors of Am(III) and Eu(III) using 2-hydroxy-2-methyloctanoic acid (Hhmo) and 2-hydroxy-2-trifluoromethyloctanoic acid (Hhfo) were investigated in aqueous acetic acid/1-octanol at 20 °C. In both cases, distribution ratios ( D) of the organic/aqueous phases increased with increasing pH of the aqueous solution. The D and D values were found to be much higher than those for D and D, respectively, under similar pH conditions. The maximum separation factor of D/ D was 2.31 ± at pH 4.29. The differences between D and D values were relatively small in the pH region under consideration.
- Subjects
SOLVENT extraction; AMERICIUM isotopes; EUROPIUM isotopes; HYDROXY acids; OCTANOIC acid; METHYL groups
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2015, Vol 303, Issue 2, p1413
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-014-3482-6