Derivatives of imidopyrophosphoric acids as extractants. Part I. The preparation and fundamental constants of tetraalkylimidopyrophosphoric acids
Journal Article
·
· Solvent Extraction and Ion Exchange; (United States)
Improved methods for the preparation of imidotetraalkylpyrophosphates are reported. The dissociation constant of the water soluble tetraethyl analogue was determined by potentiometric titration. The values for the partition constant and aggregation constant of the tetradodecyl analogue were determined by two phase EMF potentiometric titration of which the data were processed through a sophisticated general optimization technique. The application of this method also made it possible to obtain a species distribution curve of the organic phase in terms of variation of pH in the aqueous phase. 17 refs., 7 figs., 4 tabs.
- OSTI ID:
- 6594420
- Journal Information:
- Solvent Extraction and Ion Exchange; (United States), Journal Name: Solvent Extraction and Ion Exchange; (United States) Vol. 10:5; ISSN 0736-6299; ISSN SEIEDB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
050400* -- Nuclear Fuels-- Feed Processing
050800 -- Nuclear Fuels-- Spent Fuels Reprocessing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
CHEMICAL PREPARATION
COMPLEXES
COMPUTER CALCULATIONS
DATA ACQUISITION
EXTRACTION
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
OXYGEN COMPOUNDS
PH VALUE
PHOSPHORUS COMPOUNDS
POTENTIOMETRY
PYROPHOSPHATES
RARE EARTH COMPLEXES
RARE EARTH COMPOUNDS
SEPARATION PROCESSES
SOLVENT EXTRACTION
SYNTHESIS
TITRATION
050800 -- Nuclear Fuels-- Spent Fuels Reprocessing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
CHEMICAL PREPARATION
COMPLEXES
COMPUTER CALCULATIONS
DATA ACQUISITION
EXTRACTION
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
OXYGEN COMPOUNDS
PH VALUE
PHOSPHORUS COMPOUNDS
POTENTIOMETRY
PYROPHOSPHATES
RARE EARTH COMPLEXES
RARE EARTH COMPOUNDS
SEPARATION PROCESSES
SOLVENT EXTRACTION
SYNTHESIS
TITRATION