Enhanced fluorimetric determination of europium(III) with thenoyltrifluoroacetone and 4,7-diphenyl-1,10-phenanthroline by gadolinium(III)
Journal Article
·
· Anal. Lett.; (United States)
A sensitive fluorimetric method was developed for the determination of trace amount of europium in rare earth oxides. In the presence of gadolinium, the fluorescence of the europium complex with thenoyltrifluoroacetone and 4,7-diphenyl-1,10-phenanthroline was increased by a factor of about 2; the excitation and emission wavelengths were 346 and 613nm, respectively; the fluorescence was linear up to 1.59ng/ml of europium; and the detection limit was found to be 0.6pg/ml of europium. A general mechanism of fluorescence enhancement was proposed.
- Research Organization:
- Peking Univ., Beijing (China)
- OSTI ID:
- 6190491
- Journal Information:
- Anal. Lett.; (United States), Journal Name: Anal. Lett.; (United States) Vol. 21:8; ISSN ANALB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102* -- Chemical & Spectral Procedures
AROMATICS
AZAARENES
CHALCOGENIDES
CHELATING AGENTS
CHEMICAL ANALYSIS
COMPLEXES
DATA
ELEMENTS
EMISSION SPECTROSCOPY
EUROPIUM
EUROPIUM COMPLEXES
EXPERIMENTAL DATA
FLUORESCENCE SPECTROSCOPY
GADOLINIUM
HETEROCYCLIC COMPOUNDS
INFORMATION
KETONES
METALS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
PHENANTHROLINES
QUANTITATIVE CHEMICAL ANALYSIS
RARE EARTH COMPLEXES
RARE EARTH COMPOUNDS
RARE EARTHS
SPECTROSCOPY
TRACE AMOUNTS
TTA
400102* -- Chemical & Spectral Procedures
AROMATICS
AZAARENES
CHALCOGENIDES
CHELATING AGENTS
CHEMICAL ANALYSIS
COMPLEXES
DATA
ELEMENTS
EMISSION SPECTROSCOPY
EUROPIUM
EUROPIUM COMPLEXES
EXPERIMENTAL DATA
FLUORESCENCE SPECTROSCOPY
GADOLINIUM
HETEROCYCLIC COMPOUNDS
INFORMATION
KETONES
METALS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
PHENANTHROLINES
QUANTITATIVE CHEMICAL ANALYSIS
RARE EARTH COMPLEXES
RARE EARTH COMPOUNDS
RARE EARTHS
SPECTROSCOPY
TRACE AMOUNTS
TTA