Isotopic hydrogen analysis via conventional and surface-enhanced fiber optic Raman spectroscopy

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This report describes laboratory development and process plant applications of Raman spectroscopy for detection of hydrogen isotopes in the Tritium Facilities at the Savannah River Site (SRS), a U.S. Department of Energy complex. Raman spectroscopy provides a lower-cost, in situ alternative to mass spectrometry techniques currently employed at SRS. Using conventional Raman and fiber optics, we have measured, in the production facility glove boxes, process mixtures of protium and deuterium at various compositions and total pressures ranging from 1000-4000 torr, with detection limits ranging from 1-2 percent for as low as 3-second integration times. We are currently investigating fabrication techniques ... continued below

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Lascola, Robert September 23, 2004.

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This report describes laboratory development and process plant applications of Raman spectroscopy for detection of hydrogen isotopes in the Tritium Facilities at the Savannah River Site (SRS), a U.S. Department of Energy complex. Raman spectroscopy provides a lower-cost, in situ alternative to mass spectrometry techniques currently employed at SRS. Using conventional Raman and fiber optics, we have measured, in the production facility glove boxes, process mixtures of protium and deuterium at various compositions and total pressures ranging from 1000-4000 torr, with detection limits ranging from 1-2 percent for as low as 3-second integration times. We are currently investigating fabrication techniques for SERS surfaces in order to measure trace (0.01-0.1 percent) amounts of one isotope in the presence of the other. These efforts have concentrated on surfaces containing palladium, which promotes hydrogen dissociation and forms metal hydride bonds, essentially providing a chemical enhancement mechanism.

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  • Optics East, Philadelphia, PA (US), 10/24/2004--10/28/2004

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  • Report No.: WSRC-MS-2004-00677
  • Grant Number: AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 834245
  • Archival Resource Key: ark:/67531/metadc788726

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  • September 23, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • May 5, 2016, 6:05 p.m.

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Lascola, Robert. Isotopic hydrogen analysis via conventional and surface-enhanced fiber optic Raman spectroscopy, article, September 23, 2004; South Carolina. (digital.library.unt.edu/ark:/67531/metadc788726/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.