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High-Resolution Optical Emission Spectroscopy of Uranium Hexafluoride in the Argon Afterglow Discharge

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Uranium atom and ion emission spectra resulting from the introduction of gaseous uranium hexafluoride (UF6) into an atmospheric-pressure argon afterglow discharge source have been acquired with the use of a high-resolution spectrometer. The isotopic splitting (235U/238U) of the uranium ion line at 424.437 nm has been utilized to analyze three different UF6 samples containing 0.245%, 3.80%, and 51.20% 235U, respectively. A limit of detection for UF6 in argon of ∼15 ppm for the U(II) 424.167-nm line has been achieved.

Keywords: Analysis for uranium; Analytical methods; Emission spectroscopy; Instrumentation, emission spectroscopy; Isotopic analysis; Spectroscopic techniques

Document Type: Research Article


Affiliations: Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011

Publication date: September 1, 1991

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