期刊
APPLIED SPECTROSCOPY
卷 72, 期 1, 页码 114-121出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/0003702817734854
关键词
Rare earth elements; REE; geological samples; laser-induced breakdown spectroscopy; LIBS
资金
- U.S. Department of Energy
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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