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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 11 — Apr. 10, 2013
  • pp: 2470–2477

Laser ablation–laser induced breakdown spectroscopy for the measurement of total elemental concentration in soils

Jhon Pareja, Sebastian López, Daniel Jaramillo, David W. Hahn, and Alejandro Molina  »View Author Affiliations


Applied Optics, Vol. 52, Issue 11, pp. 2470-2477 (2013)
http://dx.doi.org/10.1364/AO.52.002470


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Abstract

The performances of traditional laser-induced breakdown spectroscopy (LIBS) and laser ablation-LIBS (LA-LIBS) were compared by quantifying the total elemental concentration of potassium in highly heterogeneous solid samples, namely soils. Calibration curves for a set of fifteen samples with a wide range of potassium concentrations were generated. The LA-LIBS approach produced a superior linear response different than the traditional LIBS scheme. The analytical response of LA-LIBS was tested with a large set of different soil samples for the quantification of the total concentration of Fe, Mn, Mg, Ca, Na, and K. Results showed an acceptable linear response for Ca, Fe, Mg, and K while poor signal responses were found for Na and Mn. Signs of remaining matrix effects for the LA-LIBS approach in the case of soil analysis were found and discussed. Finally, some improvements and possibilities for future studies toward quantitative soil analysis with the LA-LIBS technique are suggested.

© 2013 Optical Society of America

OCIS Codes
(160.2120) Materials : Elements
(160.4890) Materials : Organic materials
(300.6365) Spectroscopy : Spectroscopy, laser induced breakdown

ToC Category:
Spectroscopy

History
Original Manuscript: December 10, 2012
Revised Manuscript: March 5, 2013
Manuscript Accepted: March 5, 2013
Published: April 10, 2013

Citation
Jhon Pareja, Sebastian López, Daniel Jaramillo, David W. Hahn, and Alejandro Molina, "Laser ablation–laser induced breakdown spectroscopy for the measurement of total elemental concentration in soils," Appl. Opt. 52, 2470-2477 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-11-2470

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