Comparison of detection limits, for two metallic matrices, in Laser-Induced Breakdown Spectroscopy in the single- and double-pulse configurations (Articolo in rivista)

Type
Label
  • Comparison of detection limits, for two metallic matrices, in Laser-Induced Breakdown Spectroscopy in the single- and double-pulse configurations (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • M. Ismail, G.Cristoforetti, S. Legnaioli, L. Pardini, V. Palleschi, A. Salvetti, E. Tognoni, M.A. Abdel Harith (2006)
    Comparison of detection limits, for two metallic matrices, in Laser-Induced Breakdown Spectroscopy in the single- and double-pulse configurations
    in Analytical & bioanalytical chemistry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Ismail, G.Cristoforetti, S. Legnaioli, L. Pardini, V. Palleschi, A. Salvetti, E. Tognoni, M.A. Abdel Harith (literal)
Pagina inizio
  • 316 (literal)
Pagina fine
  • 325 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 385 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ICCOM-CNR (literal)
Titolo
  • Comparison of detection limits, for two metallic matrices, in Laser-Induced Breakdown Spectroscopy in the single- and double-pulse configurations (literal)
Abstract
  • Limits of detection have been studied for several elements in aluminium and steel alloys, at atmospheric pressure in air, by use of the single and collinear double-pulse configurations of laser-induced breakdown spectroscopy. For this purpose, calibration plots were constructed for Mg, Al, Si, Ti, Cr, Mn, Fe, Ni, and Cu using a set of certified aluminium alloy samples and a set of certified steel samples. The investigation included optimization of the experimental conditions to furnish the best signal-to-noise ratio. Inter-pulse delay, gate width, and acquisition delay were studied. The detection limits for the elements of interest were calculated under the optimum conditions for the double-pulse configuration and compared with those obtained under the optimum conditions for single-pulse configuration. Significantly improved detection limits were achieved, for all the elements investigated, and in both aluminium and steel, by use of the double-pulse configuration. The experimental findings are discussed in terms of the measured plasma conditions (particle and electron density, and temperature). (literal)
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