Method for uranium determination. [as uranyl ions]
Patent
·
OSTI ID:6798354
This invention is a method that uses the previously undiscovered fact that the phosphorescent lifetime of the uranyl ion at very dilute concentrations in an aqueous solution is anomalously long in comparison to that of other commonly-occurring phosphorescent species, wherein the uranyl ions in the low concentration sample are excited by projecting electromagnetic energy into the sample, terminating the projection of electromagnetic energy into the sample and measuring the characteristics of the decaying uranium phosphorescence after termination of the incident electromagnetic radiation.
- Assignee:
- Scintrex Ltd (Canada)
- Patent Number(s):
- US 4239964
- OSTI ID:
- 6798354
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104* -- Spectral Procedures-- (-1987)
ACTINIDE COMPOUNDS
ACTINIDES
CHEMICAL ANALYSIS
ELECTROMAGNETIC RADIATION
ELEMENTS
LUMINESCENCE
METALS
PHOSPHORESCENCE
QUANTITATIVE CHEMICAL ANALYSIS
RADIATIONS
ULTRAVIOLET RADIATION
URANIUM
URANIUM COMPOUNDS
URANYL COMPOUNDS
400104* -- Spectral Procedures-- (-1987)
ACTINIDE COMPOUNDS
ACTINIDES
CHEMICAL ANALYSIS
ELECTROMAGNETIC RADIATION
ELEMENTS
LUMINESCENCE
METALS
PHOSPHORESCENCE
QUANTITATIVE CHEMICAL ANALYSIS
RADIATIONS
ULTRAVIOLET RADIATION
URANIUM
URANIUM COMPOUNDS
URANYL COMPOUNDS