Solvent extraction studies of plutonium(IV) by crown ether dicyclohexyl-18-crown-6 (DC18C6) in 1-butyl-3-methyl imidazolium hexafluorophosphate (C4mimPF6) and 1-hexyl-3-methyl imidazolium hexafluorophosphate (C6mimPF6) room temperature ionic liquids (RTIL)
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K. V. Lohithakshan
Abstract
Solvent extraction studies of Pu(IV) from aqueous nitric acid by crown ether (CE) dicyclohexyl-18-crown-6 (DC18C6) in 1-butyl-3-methyl imidazolium hexafluorophosphate (C4mimPF6) and 1-hexyl-3-methyl imidazolium hexafluorophosphate (C6mimPF6) room temperature ionic liquids (RTIL) were carried out at different temperatures in the range of 298 to 318 K. The least squares analysis of the extraction data indicated the extracted species at 1 M HNO3 aqueous concentration to be cationic complex with the formula Pu(CE)(NO3)22+. The thermodynamic parameters evaluated by the temperature coefficient method indicated that the reaction is favoured by decrease in enthalpy and is counteracted by decrease in entropy.
© by Oldenbourg Wissenschaftsverlag, Trombay, Mumbai 400 085, Germany
Articles in the same Issue
- Crystal structure of 2,2′-bipyridine complexes of Np(V) and Pu(V) m-nitrobenzoates
- Solvent extraction studies of plutonium(IV) by crown ether dicyclohexyl-18-crown-6 (DC18C6) in 1-butyl-3-methyl imidazolium hexafluorophosphate (C4mimPF6) and 1-hexyl-3-methyl imidazolium hexafluorophosphate (C6mimPF6) room temperature ionic liquids (RTIL)
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- The effect of humic acid on the formation and solubility of secondary solid phases (Nd(OH)CO3 and Sm(OH)CO3)
- Portable solid state scintillation calibrator for beta microirradiator
- Preparation and evaluation of hydrous titanium oxide as a high affinity adsorbent for molybdenum (99Mo) and its potential for use in 99mTc generators
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Articles in the same Issue
- Crystal structure of 2,2′-bipyridine complexes of Np(V) and Pu(V) m-nitrobenzoates
- Solvent extraction studies of plutonium(IV) by crown ether dicyclohexyl-18-crown-6 (DC18C6) in 1-butyl-3-methyl imidazolium hexafluorophosphate (C4mimPF6) and 1-hexyl-3-methyl imidazolium hexafluorophosphate (C6mimPF6) room temperature ionic liquids (RTIL)
- Development of a CMPO based extraction process for partitioning of minor actinides and demonstration with geneuine fast reactor fuel solution (155 GWd/Te)
- The effect of humic acid on the formation and solubility of secondary solid phases (Nd(OH)CO3 and Sm(OH)CO3)
- Portable solid state scintillation calibrator for beta microirradiator
- Preparation and evaluation of hydrous titanium oxide as a high affinity adsorbent for molybdenum (99Mo) and its potential for use in 99mTc generators
- Preparation and quality control of 166Ho-DTPA-antiCD20 for radioimmunotherapy
- Morus nigra plant leaves as biomonitor for elemental air pollution monitoring
