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Multi-elemental analysis of solidified mineral melt samples by laser-induced breakdown spectroscopy coupled with a linear multivariate calibration

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Academic year: 2021

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Figure

Fig. 1. Schematic experimental set-up with the Echelle spectrometer.
Fig. 2. Illustration of a region of a single laser shot spectrum obtained with the Echelle spectrometer for glass samples denoted 2 and 9.
Fig. 3. Univariate calibration curves for the selected spectral line normalized by the Si(I) 390.553 nm line: (a) Al(I) 265.249 nm, (b) Fe(I) 404.582 nm, (c) Mg(I) 383.826 nm, (d) Ca(I) 585.746 nm and (e) Ti(II) 337.280 nm.
Fig. 4. Concentrations (in % weight) of Fe 2 O 3 (a), CaO (b) and TiO 2 (c) predicted by LIBS as a function of the concentrations measured by XRF for the calibration samples.
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