Detection of lead in soil with excimer laser fragmentation fluorescence spectroscopy (ELFFS)

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Excimer laser fragmentation fluorescence spectroscopy (ELFFS) is used to monitor lead in soil sample and investigate laser-solid interactions. Pure lead nitrate salt and soil doped with lead nitrate are photolyzed with 193 nm light from an ArF excimer at fluences from 0.4 to 4 J/cm{sup 2}. Lead emission is observed at 357.2, 364.0, 368.3, 373.9 and 405.8 nm. Time-resolved data show the decay time of the lead emission at 405.8 nm grows with increasing fluence, and a plasma is formed above fluences of 2 J/cm{sup 2}, where a strong continuum emission interferes with the analyte signal. Fluences below this threshold ... continued below

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17 pages; OS: XP

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Choi, J.H.; Damm, C.J.; O'Donovan, N.J.; Sawyer, R.F.; Koshland, C.P. & Lucas, D. March 1, 2004.

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Excimer laser fragmentation fluorescence spectroscopy (ELFFS) is used to monitor lead in soil sample and investigate laser-solid interactions. Pure lead nitrate salt and soil doped with lead nitrate are photolyzed with 193 nm light from an ArF excimer at fluences from 0.4 to 4 J/cm{sup 2}. Lead emission is observed at 357.2, 364.0, 368.3, 373.9 and 405.8 nm. Time-resolved data show the decay time of the lead emission at 405.8 nm grows with increasing fluence, and a plasma is formed above fluences of 2 J/cm{sup 2}, where a strong continuum emission interferes with the analyte signal. Fluences below this threshold allow us to achieve a detection limit of approximately 200 ppm in soil.

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17 pages; OS: XP

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OSTI as DE00840576

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  • Journal Name: Applied Spectroscopy; Journal Volume: 59; Journal Issue: 2; Other Information: Submitted to Applied Spectroscopy: Volume 59, No.2; Journal Publication Date: 02/2005

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  • Report No.: LBNL--55741
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 840576
  • Archival Resource Key: ark:/67531/metadc786286

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  • March 1, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 4, 2016, 12:38 p.m.

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Choi, J.H.; Damm, C.J.; O'Donovan, N.J.; Sawyer, R.F.; Koshland, C.P. & Lucas, D. Detection of lead in soil with excimer laser fragmentation fluorescence spectroscopy (ELFFS), article, March 1, 2004; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc786286/: accessed April 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.