Journal
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
Volume 87, Issue -, Pages 51-56Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.sab.2013.05.016
Keywords
LIBS; Calibration; Bronze; Quantitative analysis
Categories
Funding
- European Commission
- Italian Ministero del Lavoro, della Salute e delle Politiche Sociali
- Regione Toscana, through the POR FSE MONDI grant
- CAPES (Coordenadoria de Aperfeicoamento de Pessoal do Ensino Superior) [proc. 3877-11-6]
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We present a new method for improving the reliability of quantitative analysis by laser-induced breakdown spectroscopy (LIBS). The method can be considered as a variation of the calibration-free LIBS approach; although not completely standard-less, only one standard of known composition and similar matrix to the one to be analyzed is needed. On the other hand, the one-point calibration approach allows the empirical determination of essential experimental and spectroscopic parameters, whose knowledge is often imprecise or lacking; the result is a definite improvement of the trueness of LIBS analysis with respect to the traditional calibration-free approach. The characteristics and advantages of the proposed one-point calibration LIBS approach will be demonstrated on a set of copper-based samples of known composition. (C) 2013 Elsevier B.V. All rights reserved.
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