BOUSQUET, Bruno; TRAVAILLÉ, G.; ISMAËL, A.; CANIONI, L.; MICHEL, Karine; BRASSEUR, E.; ROY, Stephane; LE HÉCHO, Isabelle; LARREGIEU, M.; TELLIER, S.; POTIN-GAUTIER, M.; BORIACHON, T.; WAZEN, P.; DIARD, A.; BELBÈZE, S.

doi:10.1016/j.sab.2008.09.008

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BOUSQUET, Bruno
Centre de physique moléculaire optique et hertzienne [CPMOH]

TRAVAILLÉ, G.
Centre de physique moléculaire optique et hertzienne [CPMOH]

ISMAËL, A.
Centre de physique moléculaire optique et hertzienne [CPMOH]

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Spectrochimica Acta Part B: Atomic Spectroscopy. 2008-10, vol. 63, n° 10, p. 1085-1090

Elsevier

Resumen en inglés

Principal Components Analysis (PCA) is successfully applied to the full laser-induced breakdown spectroscopy (LIBS) spectra of soil samples, defining classes according to the concentrations of the major elements. The large variability of the LIBS data is related to the heterogeneity of the samples and the representativeness of the data is finally discussed. Then, the development of a mobile LIBS system dedicated to the in-situ analysis of soils polluted by heavy metals is described. Based on the use of ten-meter long optical fibers, the mobile system allows deported measurements. Finally, the laser-assisted drying process studied by the use of a customized laser has not been retained to overcome the problem of moisture.< Leer menos

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Sample representativeness

LIBS

In-situ

Data variability

Polluted soils

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Development of a mobile system based on laser-induced breakdown spectroscopy and dedicated to in situ analysis of polluted soils

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Este ítem está publicado en

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Centros de investigación