Scientific Results

A procedure for correcting self-absorption in calibration free-laser induced breakdown spectroscopy

Year: 2002

Authors: Bulajic D., Corsi M., Cristoforetti G., Legnaioli S., Palleschi V., Salvetti A., Tognoni E.

Autors Affiliation: IFAM-CNR

Abstract: A model of the self-absorption effect in laser-induced plasma has been developed, with the aim of providing a tool for its automatic correction in the Calibration-Free algorithm recently developed for standardless analysis of materials by LIBS (Laser Induced Breakdown Spectroscopy). As a test of the model, the algorithm for self-absorption correction is applied to three different certified steel NIST samples and to three ternary alloys (Au, Ag, Cu) of known composition. The experimental results show that the self-absorption corrected Calibration-Free method gives reliable results, improving the precision and the accuracy of the CF-LIBS procedure by approximately one order of magnitude. (C) 2002 Elsevier Science B.V. All rights reserved.

Journal/Review: SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY

Volume: 57 (2)      Pages from: 339  to: 353

KeyWords: LIBS; Self-absorption; Curve of growth; elemental analysis;
DOI: 10.1016/S0584-8547(01)00398-6

Citations: 244
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2021-11-28
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