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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  • SHIMAZU Yusuke
    Department of Chemical Engineering and Materials Science, Graduate School of Engineering, University of Hyogo
  • MATSUMOTO Ayumu
    Department of Chemical Engineering and Materials Science, Graduate School of Engineering, University of Hyogo
  • NAKANO Haruka
    Department of Chemical Engineering and Materials Science, Graduate School of Engineering, University of Hyogo
  • YAE Shinji
    Department of Chemical Engineering and Materials Science, Graduate School of Engineering, University of Hyogo

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  • Sensitive Quantitative Analysis of Strontium in Microdroplet by Surface-enhanced Laser-induced Breakdown Spectroscopy Using Porous Silicon

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説明

<p>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.</p>

収録刊行物

  • Analytical Sciences

    Analytical Sciences 37 (12), 1839-1841, 2021-12-10

    社団法人 日本分析化学会

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