Analytical study of seashell using laser-induced breakdown spectroscopy

Ying LI (李颖); Yanhong GU (谷艳红); Ying ZHANG (张莹); Yuandong LI (李远东); Yuan LU (卢渊)

doi:10.1088/2058-6272/19/2/025501

Plasma Science and Technology > 2017 > 19(2): 25501-025501. > DOI: 10.1088/2058-6272/19/2/025501

Ying LI (李颖), Yanhong GU (谷艳红), Ying ZHANG (张莹), Yuandong LI (李远东), Yuan LU (卢渊). Analytical study of seashell using laser-induced breakdown spectroscopy[J]. Plasma Science and Technology, 2017, 19(2): 25501-025501. DOI: 10.1088/2058-6272/19/2/025501

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Analytical study of seashell using laser-induced breakdown spectroscopy

Optics and Optoelectronics Laboratory, Ocean University of China, Qingdao 266100, People’s Republic of China

Funds: This research was financially supported by National Natural Science Foundation of China (No. 41506113) and Natural Science Foundation of Shandong Province (No. ZR2014DP010).

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Received Date: April 25, 2016

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Abstract

Abstract

Seashell has been applied as an indicator for ocean research and element analysis of the seashell is used to track biological or environmental evolution. In this work, laser-induced breakdown spectroscopy (LIBS) was applied for elementary analysis of an ezo scallop-shell, and a graphite enrichment method was used as the assistance. It was found that LIBS signal intensity of Ca fluctuated less than 5%, in spite of the sampling positions, and Sr/Ca was relatedtothe shellgrowth. Asimilar variationwas also foundwhenusing adirect LIBS analysis on the shell surface, and it might be more practicable to track shell growth by investigating Sr/Ca ratio with Sr ionic line at 421.6 nm. The obtained results prove that calcium (Ca) is quali?ed as an internal reference for shell analysis, and LIBS is a potential analytical method for seashell study.
- seashell analysis,
- LIBS,
- graphite enriched process,
- Sr/Ca,
- shell growth

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References (25)

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