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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 7, Iss. 6 — Jun. 1, 2009
  • pp: 545–548

Correction and analysis of lead content in soil by laser-induced breakdown spectroscopy

Chengli Xie, Jidong Lu, Pengyan Li, Jie Li, and Zhaoxiang Lin  »View Author Affiliations

Chinese Optics Letters, Vol. 7, Issue 6, pp. 545-548 (2009)

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The laser-induced breakdown spectroscopy is used to analyze the lead content in soils. The analyzed spectral line profile is fitted by Lorentzian function for determining the background and the full-width at half-maximum (FWHM) intensity of spectral line. A self-absorption correction model based on the information of spectral broadening is introduced to calculate the true value of spectral line intensity, which refers to the elemental concentration. The results show that the background intensity obtained by spectral profile fitting is very effective and important due to removing the interference of spectral broadening, and a better precision of calibration analysis is acquired by correcting the self-absorption effect.

© 2009 Chinese Optics Letters

OCIS Codes
(300.0300) Spectroscopy : Spectroscopy
(330.1880) Vision, color, and visual optics : Detection

Chengli Xie, Jidong Lu, Pengyan Li, Jie Li, and Zhaoxiang Lin, "Correction and analysis of lead content in soil by laser-induced breakdown spectroscopy," Chin. Opt. Lett. 7, 545-548 (2009)

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