Determination of Rare Earth Elements in Geological Samples Using Laser-Induced Breakdown Spectroscopy (LIBS)

Laser-induced breakdown spectroscopy (LIBS) was used to detect rare earth elements (REEs) in natural geological samples. Low and high intensity emission lines of Ce, La, Nd, Y, Pr, Sm, Eu, Gd, and Dy were identified in the spectra recorded from the samples to claim the presence of these REEs. Multiv...

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Bibliographic Details
Published in:Applied spectroscopy 2018-01, Vol.72 (1), p.114-121
Main Authors: Bhatt, Chet R., Jain, Jinesh C., Goueguel, Christian L., McIntyre, Dustin L., Singh, Jagdish P.
Format: Article
Language:English
Subjects:
geological samples
GEOSCIENCES
laser-induced breakdown spectroscopy
LIBS
Rare earth elements
REE
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Summary:Laser-induced breakdown spectroscopy (LIBS) was used to detect rare earth elements (REEs) in natural geological samples. Low and high intensity emission lines of Ce, La, Nd, Y, Pr, Sm, Eu, Gd, and Dy were identified in the spectra recorded from the samples to claim the presence of these REEs. Multivariate analysis was executed by developing partial least squares regression (PLS-R) models for the quantification of Ce, La, and Nd. Analysis of unknown samples indicated that the prediction results of these samples were found comparable to those obtained by inductively coupled plasma mass spectrometry analysis. Data support that LIBS has potential to quantify REEs in geological minerals/ores.
ISSN:0003-7028
1943-3530
DOI:10.1177/0003702817734854