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Laser induced phosphorescence uranium analysis

Patent ·
OSTI ID:865915
 [1]
  1. Kennewick, WA
+ Show Author Affiliations

A method is described for measuring the uranium content of aqueous solutions wherein a uranyl phosphate complex is irradiated with a 5 nanosecond pulse of 425 nanometer laser light and resultant 520 nanometer emissions are observed for a period of 50 to 400 microseconds after the pulse. Plotting the natural logarithm of emission intensity as a function of time yields an intercept value which is proportional to uranium concentration.

Research Organization:
BATTELLE MEMORIAL INSTITUTE
DOE Contract Number:
AC06-76RL01830
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 4599512
OSTI ID:
865915
Country of Publication:
United States
Language:
English

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Related Subjects

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400
425
50
520
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uranium
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