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The spectra correction approach for the quantitative analysis of alloys by laser-induced breakdown spectroscopy was proposed. A disproportion between the composition of the laser-plasma plume and the bulk sample is explained by the selective evaporation of components during the melting-evaporation stage. The Batanov-Bunkin-Prohorov-Fedorov phenomenon of the transparent wave propagation in a melted metal during the laser ablation was accounted for by the discussed approach. The proposed spectra correction procedure gives good results for the composition measurement of the Al alloy.
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Lednev et al. (2008) studied this question.
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