Recovery of plutonium and americium from laboratory acidic waste solutions using tri- n-octylamine and octylphenyl- N- N- diisobutylcarbamoylmethylphosphine oxide

Plutonium from acidic waste solutions has been recovered quantitatively using tri- n-octylamine (TnOA) in xylene and americium using a mixture of octylphenyl- N- N- diisobutylcarbamoylmethylphosphine oxide (CMPO) and TBP in dodecane by extraction and extraction chromatographic methods. The Pu( IV) T...

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Bibliographic Details
Published in:Talanta (Oxford) 1997-11, Vol.44 (11), p.2095-2102
Main Authors: Michael, K.M., Rizvi, G.H., Mathur, J.N., Kapoor, S.C., Ramanujam, A., Iyer, R.H.
Format: Article
Language:English
Subjects:
Americium
Applied sciences
Exact sciences and technology
Extraction chromatography
Laboratory waste solutions
Octylphenyl- N- N-diisobutylcabamoylmethylphosphine oxide
Other wastes and particular components of wastes
Plutonium
Pollution
Recovery
Solvent extraction
Tri- n-octylamine
Wastes
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Summary:Plutonium from acidic waste solutions has been recovered quantitatively using tri- n-octylamine (TnOA) in xylene and americium using a mixture of octylphenyl- N- N- diisobutylcarbamoylmethylphosphine oxide (CMPO) and TBP in dodecane by extraction and extraction chromatographic methods. The Pu( IV) TnOA species extracted into the organic phase from higher nitric acid concentrations has been confirmed as (R 3NH) 2Pu(NO 3) 6 (where R 3N = TnOA by employing slope analysis as well as spectrophotometric studies.
ISSN:0039-9140
1873-3573
DOI:10.1016/S0039-9140(97)00079-9