Synergistic extraction of neptunium(IV) by mixtures of HTTA (thenoyltrifluoroacetone) and TBP (tri-n-butylphosphate)
Journal Article
·
· Sep. Sci. Technol.; (United States)
The results obtained on the extraction of Np(IV) into mixtures of HTTA andTBP by solvent extraction and spectrophotometric methods are reported here. The predominant extractable species, when perchloric acid was employed for extraction, was found to be Np(TTA)/sub 4/.TBP when benzene was used as the solvent and probably Np(TTA)/sub 3/.3TBP/sup +/ClO/sub 4/ when nitrobenzene was used as the solvent. On the other hand, when nitric acid was employed for the extraction into a benzene solution of the mixture, a number of extractable species, Np(NO/sub 3/)/sub 4-x/(TTA)/sub x/.yTBP (x = 0, 1, 2, 3, and 4, and y = 0, 1, and 2), appear to be involved. Values of some equilibrium constants are reported. 10 figures, 5 tables.
- Research Organization:
- Bhabha Atomic Research Centre, Bombay, India
- OSTI ID:
- 6234146
- Journal Information:
- Sep. Sci. Technol.; (United States), Journal Name: Sep. Sci. Technol.; (United States) Vol. 14:1; ISSN SSTED
- Country of Publication:
- United States
- Language:
- English
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· Sep. Sci. Technol.; (United States)
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Journal Article
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· Sep. Sci. Technol.; (United States)
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
ABSORPTION SPECTRA
ACTINIDES
ADDUCTS
AROMATICS
BENZENE
BUTYL PHOSPHATES
CHEMICAL ANALYSIS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COMPARATIVE EVALUATIONS
DATA
DATA FORMS
ELEMENTS
ESTERS
EXPERIMENTAL DATA
EXTRACTION
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
ISOLATED VALUES
KETONES
KINETICS
METALS
NEPTUNIUM
NITRIC ACID
NITRO COMPOUNDS
NITROBENZENE
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
ORGANIC SOLVENTS
ORGANIC SULFUR COMPOUNDS
PERCHLORIC ACID
PHOSPHORIC ACID ESTERS
QUANTITATIVE CHEMICAL ANALYSIS
REACTION KINETICS
SEPARATION PROCESSES
SOLVENT EXTRACTION
SOLVENTS
SPECTRA
TBP
TRANSURANIUM ELEMENTS
TTA
400105* -- Separation Procedures
ABSORPTION SPECTRA
ACTINIDES
ADDUCTS
AROMATICS
BENZENE
BUTYL PHOSPHATES
CHEMICAL ANALYSIS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COMPARATIVE EVALUATIONS
DATA
DATA FORMS
ELEMENTS
ESTERS
EXPERIMENTAL DATA
EXTRACTION
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
ISOLATED VALUES
KETONES
KINETICS
METALS
NEPTUNIUM
NITRIC ACID
NITRO COMPOUNDS
NITROBENZENE
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
ORGANIC SOLVENTS
ORGANIC SULFUR COMPOUNDS
PERCHLORIC ACID
PHOSPHORIC ACID ESTERS
QUANTITATIVE CHEMICAL ANALYSIS
REACTION KINETICS
SEPARATION PROCESSES
SOLVENT EXTRACTION
SOLVENTS
SPECTRA
TBP
TRANSURANIUM ELEMENTS
TTA