Extraction-spectrophotometric determination of uranium with 4-(5'-methyl-3'-isoxazolylazo)-resorcinol
Journal Article
·
· Anal. Lett.; (United States)
An extraction-spectrophotometric method for uranium is developed based on the formation of the 1:1:1 ternary complex U(VI)/4-(5'-methyl-3'-isoxazolylazo)-resorcinol/cetylpyridinium, which allows the determination of down to 3 ppm of uranium (epsilon = 2.65 x 10/sup 4/ 1.mol/sup -1/.cm/sup -1/ at 510 nm). Interferences have been evaluated and the method is applied to U(VI) determination in sulfuric acid leaching method residues.
- Research Organization:
- Univ. of La Laguna (Spain)
- OSTI ID:
- 6951220
- Journal Information:
- Anal. Lett.; (United States), Journal Name: Anal. Lett.; (United States) Vol. 21:5; ISSN ANALB
- Country of Publication:
- United States
- Language:
- English
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Thu Sep 01 00:00:00 EDT 1988
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OSTI ID:6870643
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OSTI ID:4634432
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400102 -- Chemical & Spectral Procedures
400105* -- Separation Procedures
400702 -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDE COMPLEXES
ACTINIDES
CHEMICAL ANALYSIS
COMPLEXES
DATA
ELEMENTS
EXPERIMENTAL DATA
EXTRACTION
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
METALS
NUMERICAL DATA
QUANTITATIVE CHEMICAL ANALYSIS
RESIDUES
SEPARATION PROCESSES
SOLVENT EXTRACTION
SPECTROPHOTOMETRY
SULFURIC ACID
TRACE AMOUNTS
URANIUM
URANIUM COMPLEXES
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400102 -- Chemical & Spectral Procedures
400105* -- Separation Procedures
400702 -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDE COMPLEXES
ACTINIDES
CHEMICAL ANALYSIS
COMPLEXES
DATA
ELEMENTS
EXPERIMENTAL DATA
EXTRACTION
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
METALS
NUMERICAL DATA
QUANTITATIVE CHEMICAL ANALYSIS
RESIDUES
SEPARATION PROCESSES
SOLVENT EXTRACTION
SPECTROPHOTOMETRY
SULFURIC ACID
TRACE AMOUNTS
URANIUM
URANIUM COMPLEXES