Open AccessDetermination of Rare Earth Elements in Geological Samples Using Laser-Induced Breakdown Spectroscopy (LIBS)
Author(s) -
Chet R. Bhatt,
Jinesh C. Jain,
Christian L. Goueguel,
Dustin L. McIntyre,
Jagdish Singh
Publication year - 2017
Publication title -
applied spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.415
H-Index - 110
eISSN - 1943-3530
pISSN - 0003-7028
DOI - 10.1177/0003702817734854
Subject(s) - laser induced breakdown spectroscopy , analytical chemistry (journal) , spectroscopy , rare earth , mass spectrometry , chemistry , partial least squares regression , inductively coupled plasma mass spectrometry , inductively coupled plasma , earth (classical element) , mineralogy , environmental chemistry , plasma , chromatography , physics , statistics , mathematics , quantum mechanics , mathematical physics
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.
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