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Low-temperature luminescence determination of uranium in geological samples

Journal Article · · J. Anal. Chem. USSR (Engl. Transl.); (United States)
OSTI ID:7104170
; ;
The influence of the chemical composition and structure of the matrix on the luminescence properties of uranium(VI) in crystallophosphors based on alkali metal halides has been studied. An 1:1 mixture of NaF and Na/sub 2/CO/sub 3/ is optimal for developing the luminescence properties of uranium. A low-temperature luminescence method has been developed to determine uranium with a detection limit of 5 x 10/sup -10/ g and a standard relative deviation of 0.15. The method is applicable for uranium determination in geological and sea water samples.
OSTI ID:
7104170
Journal Information:
J. Anal. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Anal. Chem. USSR (Engl. Transl.); (United States) Vol. 42:6; ISSN JACUA
Country of Publication:
United States
Language:
English

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050100* -- Nuclear Fuels-- Reserves
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11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
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ACTINIDE COMPOUNDS
ACTINIDES
ALKALI METAL COMPOUNDS
BROMIDES
BROMINE COMPOUNDS
CARBON COMPOUNDS
CARBONATES
CHEMICAL ANALYSIS
CHLORIDES
CHLORINE COMPOUNDS
COMPARATIVE EVALUATIONS
CRYSTALS
ELEMENTS
EMISSION SPECTROSCOPY
ENERGY LEVELS
EXCITED STATES
FLUORESCENCE SPECTROSCOPY
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
INORGANIC PHOSPHORS
IODIDES
IODINE COMPOUNDS
LITHIUM COMPOUNDS
LITHIUM FLUORIDES
LITHIUM HALIDES
LUMINESCENCE
MATERIALS
MATRIX MATERIALS
METALS
MINERALS
OXYGEN COMPOUNDS
PHOSPHORESCENCE
PHOSPHORS
QUANTITATIVE CHEMICAL ANALYSIS
ROCKS
SAMPLE PREPARATION
SEAWATER
SENSITIVITY
SODIUM BROMIDES
SODIUM CARBONATES
SODIUM CHLORIDES
SODIUM COMPOUNDS
SODIUM FLUORIDES
SODIUM IODIDES
SPECTROSCOPY
URANIUM
URANIUM COMPOUNDS
VALENCE
WATER