イオン移動度/質量分析装置の開発 Development of an Ion Mobility/Mass Spectrometer

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著者

    • 長門 研吉 NAGATO Kenkichi
    • 分子科学研究所分子クラスター研究部門 Division of Molecular Cluster Science, Institute for Molecular Science

抄録

An ion mobility/mass spectrometer that incorporates a drift tube and a quadrupole mass analyzer has been developed for the purpose of identifying ion species in the experiments of ion-induced nucleation and also in the ambient tropospheric air. Total ion mobility spectra, mass spectra, and mass-resolved mobility spectra were measured for positive ions aged for 20-30 ms in the laboratory air. The results showed that NH<SUB>4</SUB><SUP>+</SUP> (H<SUB>2</SUB>O)n were dominant ions and were responsible for the most intense ion peak (1.66×10<SUP>-4</SUP>m<SUP>2</SUP>V<SUP>-1</SUP>s<SUP>-1</SUP>) in total ion mobility spectra. Protonated dimethylamine (46 amu) and protonated pyridine (80 amu) were also found in the mass spectra along with several unidentified ions (135, 149, 152, 279 amu). Mass-resolved mobility spectra of ions other than NH<SUB>4</SUB><SUP>+</SUP> (H<SUB>2</SUB>O)n appeared to reflect changes in the ion composition within the drift tube, indicating that information on ion-molecule reactions in the drift tube can be obtained from analysis of mass-resolved mobility spectra.

収録刊行物

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

    エアロゾル研究 = Journal of aerosol research 15(2), 110-115, 2000-06-20 

    日本エアロゾル学会

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各種コード

  • NII論文ID(NAID)
    10004668034
  • 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
    5381429
  • 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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