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Comparisons between LIBS and ICP/OES.

P Fichet1, M Tabarant, B Salle

  • 1Commissariat à l'Energie Atomique Saclay, Nuclear Energy Department/DPC/SECR/LANIE, Bât 391, 91191, Gif Sur Yvette, France. pascal.fichet@cea.fr

Analytical and Bioanalytical Chemistry
|April 13, 2006
PubMed
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Laser-induced breakdown spectroscopy (LIBS) shows promise for remote analysis of aqueous solutions. This technique, using a jet configuration, offers sensitivity and repeatability comparable to inductively coupled plasma optical emission spectroscopy (ICP/OES).

Area of Science:

  • Analytical Chemistry
  • Spectroscopy
  • Environmental Science

Background:

  • Developing new analytical techniques is crucial for complex sample matrices.
  • Remote analysis of aqueous solutions presents significant challenges.
  • Laser-Induced Breakdown Spectroscopy (LIBS) is an emerging technique with potential for such applications.

Purpose of the Study:

  • To investigate the capability of Laser-Induced Breakdown Spectroscopy (LIBS) for remote analysis of complex aqueous solutions.
  • To evaluate the effectiveness of a jet configuration with a collimated gas stream for LIBS analysis.
  • To compare LIBS quantitative data with results from Inductively Coupled Plasma Optical Emission Spectroscopy (ICP/OES).

Main Methods:

  • Utilized a jet configuration with a collimated gas stream for the LIBS probe.

Related Experiment Videos

  • Employed an echelle spectrometer for emission collection, covering UV to near-IR wavelengths.
  • Investigated key parameters influencing quantitative LIBS results: multispecies analysis, sheath gas, internal standards, and temporal parameters.

    • Main Results:

    • The jet configuration demonstrated promising sensitivity and repeatability for LIBS analysis of aqueous solutions.
    • The echelle spectrometer facilitated multielemental analysis, suitable for both LIBS and ICP/OES.
    • Quantitative LIBS data were directly compared with established ICP/OES results.

    Conclusions:

    • LIBS, particularly with a jet configuration, is a viable technique for remote analysis of complex aqueous solutions.
    • The chosen LIBS setup offers competitive sensitivity and repeatability compared to traditional methods.
    • Further optimization of parameters can enhance the quantitative accuracy of LIBS for aqueous samples.