Analysis of Minerals and Rocks by Laser-Induced Breakdown Spectroscopy
作者： Diego M. Díaz Pace , Norberto A. Gabriele , Mayra Garcimuño , Cristian A. D'Angelo , Graciela Bertuccelli
DOI: 10.1080/00387010.2011.573048
关键词: Spectroscopy 、 Analytical chemistry 、 Laser 、 Characterization (materials science) 、 Chemistry 、 Mineralogy 、 Infrared 、 Atmospheric pressure 、 Plasma 、 Laser-induced breakdown spectroscopy 、 Surface finish
摘要: ABSTRACT Laser-induced breakdown spectroscopy (LIBS) technique was applied for rapid analysis of major and minor elements composing geological samples including minerals, rocks, a soil sample. The plasma produced in air at atmospheric pressure by focusing on the targets pulsed infrared Nd:YAG laser open-path configuration. emitted light UV-Vis analyzed compact LIBS system to measure spectral emission lines Si, Al, Fe, Ca, Na, K, Mg, C, Cu, Mn, Ti. experimental issues relevant different were investigated taking into account their peculiar features: drilling through weathered layer, roughness grain-size considerations, statistical averaging, accuracy measurements. In this approach, characterization achieved studying relative variations intensities each element normalized with respect an internal standard. present study shows usefulness as tool ...
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