Migration of Polystyrene Microparticles in Aqueous Media Caused by Electromagnetic Buoyancy

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A novel concept for the migration of microparticles in an electrolyte solution, electromagnetophoresis (EMP), was demonstrated for the first time using a homogeneous magnetic field applied at right angles to the current in a closed microcell. The direction of the migration of polystyrene latex particles was perpendicular to the magnetic field and to the current, whereas it was reverse to a hypothetical Lorentz force expected for a positive charge in the system. The experimental results showed that the larger were the particles' diameters, the faster did they migrate in proportion to the second power of the diameter. Moreover, the velocity of the migration was proportional to both the current and the magnetic field. These results proved that the dominant force of the migration was electromagnetic buoyancy.

収録刊行物

  • Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

    Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 16(1), 5-9, 2000-01-10

    社団法人 日本分析化学会

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各種コード

  • NII論文ID(NAID)
    10004704469
  • NII書誌ID(NCID)
    AA10500785
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09106340
  • NDL 記事登録ID
    4966562
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z54-F482
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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