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Sensitive Quantitative Analysis of Strontium in Microdroplet by Surfaceenhanced Laser-induced Breakdown Spectroscopy Using Porous Silicon 2021 The Japan Society for Analytical Chemistry

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Abstract

Surface-enhanced laser-induced breakdown spectroscopy (SELIBS) is a promising method for microanalysis of liquid samples. We previously demonstrated that the SELIBS signal was significantly enhanced by using porous silicon (Si) instead of flat Si. In this work, we dried aqueous droplets containing 1–200 ppb strontium (Sr) on porous Si substrates and evaluated the quantitative performance by analyzing the dry residues. A linear calibration curve for the Sr quantification (R2 = 0.998) was obtained and an LOD was 0.67 ppb.

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Acknowledgments

This work was supported by JSPS KAKENHI Grant Numbers JP19K05082, JP20K15314, and JP20H02764 and Hyogo Science and Technology Association.

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Authors and Affiliations

  1. Department of Chemical Engineering and Materials Science, Graduate School of Engineering, University of Hyogo, 2167 Shosha Himeji, Hyogo, 671-2280, Japan

    Yusuke Shimazu, Ayumu Matsumoto, Haruka Nakano & Shinji Yae

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  1. Yusuke Shimazu
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  2. Ayumu Matsumoto
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  3. Haruka Nakano
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  4. Shinji Yae
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Corresponding author

Correspondence to Ayumu Matsumoto.

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Shimazu, Y., Matsumoto, A., Nakano, H. et al. Sensitive Quantitative Analysis of Strontium in Microdroplet by Surfaceenhanced Laser-induced Breakdown Spectroscopy Using Porous Silicon 2021 The Japan Society for Analytical Chemistry. ANAL. SCI. 37, 1839–1841 (2021). https://doi.org/10.2116/analsci.21N024

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  • DOI: https://doi.org/10.2116/analsci.21N024

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