ガスクロマトグラフィー/飛行時間型質量分析法を用いた原油・石油製品のタイプ分析 Study on Type Analysis of Crude Oil and Petroleum Products by Gas Chromatography/Time-of-Flight Mass Spectrometry

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Type analysis of crude oil and petroleum products has been studied using a gas chromatograph/time-of-flight mass spectrometer. The use of inert fused silica capillary tube inlet/field ionization (blank tube inlet/FI) is a suitable method for analyzing low boiling point components. Field ionization (FI) and field desorption (FD) methods are classified as soft ionization. Therefore, those ionization methods are used to analyze samples in which the molecular ion is hardly detected on electron ionization, as in the case of hydrocarbons. Type analysis using blank tube inlet/FI, capillary gas chromatography/FI (GC/FI), and FD mass spectra provides useful information, such as the average molecular weight. We examined the composition of crude oil and some petroleum products by type analysis using blank tube inlet/FI, capillary GC/FI, and FD. We carried out type analysis using six series of components. These were C<i><sub>n</sub></i>H<sub>2<i>n</i>+2</sub>, C<i><sub>n</sub></i>H<sub>2<i>n</i></sub>, C<i><sub>n</sub></i>H<sub><i>2n</i>-2</sub>, C<i><sub>n</sub></i>H<sub><i>n</i>-4</sub>, C<i><sub>n</sub></i>H<sub><i>n</i>-6</sub>, and C<i><sub>n</sub></i>H<sub><i>n</i>-8</sub>. The averaged molecular weight by FD was much higher than that by blank tube inlet/FI, because it is difficult to measure low boiling point components by FD. In the blank tube inlet/FI method, all components were introduced and ionized. Therefore, this method is much more suitable than other methods for evaluating the composition of crude oil and petroleum products.

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  • 質量分析 = Mass spectroscopy  

    質量分析 = Mass spectroscopy 56(1), 13-19, 2008-02-01 

    The Mass Spectrometry Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021086470
  • NII書誌ID(NCID)
    AN0010555X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13408097
  • NDL 記事登録ID
    9371419
  • 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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