Process for the determination of traces of uranium in solution b

Details Process for the determination of traces of uranium in solution b Process for the determination of traces of uranium in solution b

1985-03-15

1987-02-03

Howell, Janice A.

Radiant energy

Luminophor irradiation

Methods

356318, G01N 2164

Patent

active

046410325

ABSTRACT:
Process for the determination of traces of uranium in solution by the spectrofluorimetry method. The fluorescence of the uranium molecules in the solution is excited by a pulsed laser shot. The exponential decay curve of this fluorescence is studied for a given wavelength. The value F.sub.O of said same fluorescence is deduced at the end of each laser pulse and is compared with the value F'.sub.O obtained for a standard uranium solution and containing a known uranium quantity.

REFERENCES:
patent: 4198568 (1980-04-01), Robbins et al.
patent: 4236071 (1980-11-01), Chimenti
patent: 4239964 (1980-12-01), Robbins et al.
patent: 4259574 (1981-03-01), Carr et al.
patent: 4464568 (1984-08-01), Brown et al.
V. I. Balykin, V. S. Letokhov, V. I. Mishin and V. A. Semchishen "Laser Detection of Low Concentrations of Uranium Atoms Produced in a Chemical Reaction" JETP Lett. vol. 24, No. 8, (20 Oct. 1976) pp. 436-438.
R. M. Measures, W. R. Houston and D. G. Stephenson "Analyzing Fluorescence Decay" Laser Focus (Nov. 1974) pp. 49-52.

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