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Nondestructive rare earth element imaging of fish teeth from deep‐sea sediments
Author(s) -
Sun Pengfei,
Deng Biao,
Du Guohao,
Li He,
Sun Weidong,
Ren Jiangbo,
Xiao Tiqiao
Publication year - 2015
Publication title -
x‐ray spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.447
H-Index - 45
eISSN - 1097-4539
pISSN - 0049-8246
DOI - 10.1002/xrs.2624
Subject(s) - rare earth element , synchrotron radiation , tomographic reconstruction , fish <actinopterygii> , tomography , excitation , earth (classical element) , fluorescence , rare earth , synchrotron , x ray fluorescence , materials science , mineralogy , geology , physics , optics , quantum mechanics , fishery , mathematical physics , biology
X‐ray fluorescence computed tomography is an emerging imaging modality that allows for the nondestructive reconstruction of the internal distribution of elements within a sample. The common use of X‐ray excitation energy (up to approximately 20 keV) has necessitated the use of l ‐shell fluorescence for heavy elements. In this study, based on high energy X‐ray at BL13W1 of the Shanghai Synchrotron Radiation Facility, we employed high‐energy excitation for tomographic imaging of the heavy metals (rare earth elements) in fish teeth from deep‐sea sediments on the micrometer scale using K‐shell X‐ray fluorescence. The virtual cross‐sectional distribution of La, Ce, Pm, Pr, Nd, and Sm were obtained, thereby providing a feasible approach for analyzing the enrichment mechanism of rare earth elements. Copyright © 2015 John Wiley & Sons, Ltd.