大容量微分型静電分級器(DMA)の開発と分級性能評価 Development of a Large Annular-Type DMA and Evaluation of Its Classification Property

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We have developed a large annular-type differential mobility analyzer (DMA) , having outer electrode diameter of 100 mm to increase the sampling flow rate of size-classified aerosols up to 30 L/min. In order to calibrate this new DMA, three types of monodisperse polystyrene latex (PSL) particles with nominal diameter ranging from 28 to 100 nm were used as standard particles. PSL particles suspended in distilled water were aerosolized by a nebulizer and then introduced into the DMA. The mean diameters and standard deviations of these PSL particles were calculated by Ehara's method (Ehara, K. <I>et al.</I>, <I>Aerosol Sci. Technol.</I>, <B>32</B>, 434-452 (2000) ) and compared with their nominal diameters and uncertainties. Nominal and measured diameters are in good agreement. These resutls indicate that this DMA is useful to classify large volume of nanometer-sized aerosols and for further measurements such as chemical analysis of particulate materials or inhalation experiments.

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  • エアロゾル研究 = Journal of aerosol research  

    エアロゾル研究 = Journal of aerosol research 22(1), 48-53, 2007-03-20 

    日本エアロゾル学会

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各種コード

  • NII論文ID(NAID)
    10021918089
  • NII書誌ID(NCID)
    AN10041511
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09122834
  • NDL 記事登録ID
    8750297
  • NDL 雑誌分類
    ZP5(科学技術--化学・化学工業--化学工学)
  • NDL 請求記号
    Z17-1062
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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