Classical univariate calibration and partial least squares for quantitative analysis of brass samples by laser-induced breakdown spectroscopy

Year: 2010

Authors: Andrade J.M., Cristoforetti G., Legnaioli S., Lorenzetti G., Palleschi V., Shaltout A.A.

Autors Affiliation: Dept. Analytical Chemistry, University of A Corunna, Campus da Zapateira s/n 15071, A Corunna, Spain;
Istituto per i Processi Chimico-Fisici del CNR, Area della Ricerca, Via Moruzzi 1, 56124 Pisa, Italy;
Spectroscopy Department, Physics Division, National Research Center, El-Behooth Str., 12622 Dokki, Cairo, Egypt;
Physics Department, Faculty of Science, Taif University, 21974 Taif, P.O. Box 888, Saudi Arabia

Abstract: In this work we compare the analytical results obtained by traditional calibration curves (CC) and multivariate Partial Least Squares (PLS) algorithm when applied to the LIBS spectra obtained from ten brass samples (nine standards of known composition and one


Volume: 65 (8)      Pages from: 658  to: 663

KeyWords: LIBS; Brass; PLS
DOI: 10.1016/j.sab.2010.04.008

Citations: 58
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