Development of an Ultra Compact Elemental Analyzer Using Liquid Electrode Plasma

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  • 液体電極プラズマを用いる超小型元素分析装置の開発
  • エキタイ デンキョク プラズマ オ モチイル チョウコガタ ゲンソ ブンセキ ソウチ ノ カイハツ

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<p>An ultra-compact elemental analyzer by liquid electrode plasma atomic emission spectrometry (LEP-AES) without Argon gas has been developed. LEP is generated at narrow channel on electrolyte filled micro flow channel by charging a high voltage. The emission produced by LEP is analyzed with a micro spectrometer. The instrument is portable and suitable for on-site analysis because it does not need Argon gas, an exhaust system, and a specified electrical power source, which are indispensable for inductively coupled plasma atomic emission spectrometry (ICP-AES). The first model is a small and light mobile instrument. The second model is a desktop instrument improved in usability and functionality. Instantaneous analysis method is provided. Sample volume, reagent volume, sample preparation time and wastewater volume are reduced. It contributes to green chemistry. LEP-AES developing process, performance, and applications are reported.</p>

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 69 (6), 247-256, 2020-06-05

    The Japan Society for Analytical Chemistry

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