Determination of Actinide Isotope Ratios Using Glow Discharge Optogalvanic Spectroscopy

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Diode-laser excited optogalvanic spectroscopy (OGS) of a glow discharge has been utilized to measure U-235/U-235 + U-238 isotope ratios. This ``optical mass spectrometric`` measurement has been demonstrated for a number of samples including uranium oxide, fluoride, and metal. Various diode-laser accessible atomic transitions in the 775 to 835 nm region have been evaluated; these transitions were chosen by considering OGS sensitivity and isotope shift. Using the 831.84 nm uranium line, for example, it was possible to measure the U-235/U-235 + U-238 isotope ratio (0.0026) of depleted uranium samples. A prototypical field instrument to make these measurements has been assembled and ... continued below

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12 p.

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Young, J.P.; Shaw, R.W.; Barshick, C.M. & Ramsey, J.M. August 1, 1997.

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Diode-laser excited optogalvanic spectroscopy (OGS) of a glow discharge has been utilized to measure U-235/U-235 + U-238 isotope ratios. This ``optical mass spectrometric`` measurement has been demonstrated for a number of samples including uranium oxide, fluoride, and metal. Various diode-laser accessible atomic transitions in the 775 to 835 nm region have been evaluated; these transitions were chosen by considering OGS sensitivity and isotope shift. Using the 831.84 nm uranium line, for example, it was possible to measure the U-235/U-235 + U-238 isotope ratio (0.0026) of depleted uranium samples. A prototypical field instrument to make these measurements has been assembled and demonstrated. A U-236 spectral line was identified in a sample of enriched uranium, and an abundance sensitivity was measured.

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12 p.

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OSTI as DE97009369

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  • Actinides `97: international conference on actinides, Baden-Baden (Germany), 21-26 Sep 1997

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  • Other: DE97009369
  • Report No.: CONF-970907--1
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 624635
  • Archival Resource Key: ark:/67531/metadc696387

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  • August 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Jan. 25, 2016, 6:51 p.m.

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Young, J.P.; Shaw, R.W.; Barshick, C.M. & Ramsey, J.M. Determination of Actinide Isotope Ratios Using Glow Discharge Optogalvanic Spectroscopy, article, August 1, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc696387/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.