Development of solution measurement using laser-induced breakdown spectroscopy integrated with micro-droplet ejection system

Satoshi Ikezawa, Muneaki Wakamatsu, Toshitsugu Ueda

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    The laser-induced breakdown spectroscopy (LIBS) using micro-droplet sodium chloride solution is presented. Since the 1980s, many liquid miniaturizations of analytical technique for LIBS measurements were reported. The method we present allowed micronizing the sample in such a way that whole volume of a sample was confined in the laser beam spot area (minimum beam spot diameter 53.2μm, microdroplet diameter 50-60μm) and was separated from its surrounding condition. If the sample's physical state was liquid, the density of solution could be controlled as needed. In this paper, originally designed ink-jet system for sampling procedure was presented. According to the new method, improved sensitivity for drawing calibration curves with the aim of the LIBS quantitative measurement were obtained.

    Original languageEnglish
    JournalIEEJ Transactions on Sensors and Micromachines
    Volume127
    Issue number7
    Publication statusPublished - 2007

    Keywords

    • LIBS
    • Micro-droplet
    • Quantitative analysis
    • Real time measurement

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Mechanical Engineering

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