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References (4)
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C. Hill, C. Madic, P. Baron, M. Ozawa, Yasumasa Tanaka (1998)
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Jing Chen, Yongjun Zhu, R. Jiao (1996)
The Separation of Am from Lanthanides by Purified Cyanex 301 ExtractionSeparation Science and Technology, 31
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The separation of trivalent actinides from lanthanides by dithiophosphinic acids from HNO3 acid mediumJournal of Alloys and Compounds, 271
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Extraction of Am(III) and Eu(III) from Nitrate Solution with Purified Cyanex 301Solvent Extraction and Ion Exchange, 14
- Publisher
- Springer Journals
- Copyright
- Copyright © 2002 by Kluwer Academic Publishers
- Subject
- Chemistry; Inorganic Chemistry; Physical Chemistry; Diagnostic Radiology; Nuclear Physics, Heavy Ions, Hadrons
- ISSN
- 0236-5731
- eISSN
- 1588-2780
- DOI
- 10.1023/A:1014802829799
- Publisher site
- See Article on Publisher Site
Abstract
The dependence of the distribution ratios of 241 Am and lanthanides between purified Cyanex 301 (HBTMPDTP)–TBP–kerosene/nitrate solution on pH, lanthanide concentration in aqueous phase and degree of saponification of HBTMPDTP was investigated. The distribution ratios of 241 Am and lanthanides increase with pH and degree of saponification of HBTMPDTP and decrease with lanthanides concentration. Countercurrent multistage extraction consisting of 7 extraction, 3 washing and 2 stripping stages showed that more than 99.99% of 241 Am and less than 0.04% of lanthanides were extracted. The pH 1/2 value of Am was 2.45 compared to 3.16 in case of HBTMPDTP–kerosene extraction.
Journal
Journal of Radioanalytical and Nuclear Chemistry – Springer Journals
Published: Mar 1, 2002