Method for uranium determination

Details Method for uranium determination Method for uranium determination

1978-10-30

1980-12-16

Smith, Alfred E.

Radiant energy

Geological testing or irradiation

With sampling

250461R, G01V 500, G01N 2138

Patent

active

042399645

ABSTRACT:
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.

REFERENCES:
R. Measures et al., "Analyzing Fluorescence Decay", Laser Focus, 11-74, pp. 49-52.

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