Evolved Gas Analysis Using Photoionization Mass Spectrometry

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Photoionization (PI) with vacuum ultraviolet (VUV) light provides an efficient and fragmentation-free method for the soft ionization of gaseous compounds. A photoionization source with a deuterium (D<sub>2</sub>) lamp for PI was installed in a vacuum chamber in the ionization chamber of a mass spectrometer. The PI mass spectrometry (PIMS) was applied to the evolved gas analysis (EGA) system for the volatilization of organic solvents and thermal decomposition of polymers in an inert gas atmosphere. The PI mass spectrum obtained was satisfactorily characterized by only the parent ions with no contribution as a result of fragmentation during ionization. The results suggested that EGA-PIMS was an especially powerful and desirable <i>in situ </i>thermal analysis method for substances which evolve organic gases simultaneously and sequentially. The combination of a VUV-light source with a quadropole-mass spectrometer in EGA is described briefly, and the results compared with EGA using conventional electron impact ionization mass spectrometry are presented.

収録刊行物

  • 質量分析 = Mass spectroscopy  

    質量分析 = Mass spectroscopy 54(6), 243-249, 2006-12-01 

    The Mass Spectrometry Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018403900
  • NII書誌ID(NCID)
    AN0010555X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13408097
  • NDL 記事登録ID
    8599740
  • 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
    Z17-213
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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