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Solvent extraction studies of Pu(IV) with CMPO in 1-octyl 3-methyl imidazolium hexa fluorophosphate (C8mimPF6) room temperature ionic liquid (RTIL)
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K. V. Lohithakshan
Published/Copyright:
September 25, 2009
Summary
Solvent extraction studies of Pu(IV) from aqueous nitric acid by carbamoyl methyl phosphine oxide (CMPO) in 1-octyl 3-methyl imidazolium hexa fluorophosphate (C8mimPF6) room temperature ionic liquid (RTIL) were carried out. It was inferred that the stoichiometry of the Pu(IV) species extracted into RTIL phase, through cation exchange mechanism, is [Pu(NO3)(CMPO)x]+3 where x varies from 1 to 2 under the experimental conditions used. Thermodynamic parameters showed the extraction to be favoured by negative enthalpy change, but counteracted by negative entropy change.
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Received: 2006-June-16
Accepted: 2007-September-20
Published Online: 2009-09-25
Published in Print: 2008-02
© Oldenbourg Wissenschaftsverlag
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Articles in the same Issue
- Excitation functions for the formation of some short-lived products in proton-induced reactions on silver
- Electrodeposition methods in superheavy element chemistry
- Mass spectrometry and theoretical investigation of di-alkylphosphoric acid–lanthanide complexes
- Solvent extraction studies of Pu(IV) with CMPO in 1-octyl 3-methyl imidazolium hexa fluorophosphate (C8mimPF6) room temperature ionic liquid (RTIL)
- Application of radioactive tracer technique for characterization of some strongly basic anion exchange resins
- Sorption of radionuclides on mesoporous Sn(IV) silicate: a new sorbent
- Determination of the effective diffusion coefficient for 125I− in Beishan granite
- Radiosynthesis of the adenosine A3 receptor ligand 5-(2-[18F]fluoroethyl) 2,4-diethyl-3-(ethylsulfanylcarbonyl)- 6-phenylpyridine-5-carboxylate ([18F]FE@SUPPY)
