パージ&トラップ-微量電気伝導度検出システムによる塩素処理水中の全揮発性有機ハロゲン(TVOX)の連続モニタリング Continuous Monitoring of Total Volatile Organic Halogen (TVOX) in Chlorinated Waters by Means of a Purge & Trap-Micro Electrolytic Conductivity Detection System

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An analytical system composed of a purge and trap injection system coupled to Hall detector (HECD) specific for analysis of total volatile halogenated hydrocarbons (TVOX) in chlorinated water was optimized. Samples were purged with purified dry air and trapped into the mixture of Tenax GC and Carboxen 1000, and then the TVOX were discharged by heating the trap tube at 250°C into the detector. The detector with nickel catalyst was held at 850°C for catalytic reduction of TVOX with hydrogen gas to form halogen halides. The generated hydrogen halides were quantitatively determined by electrolytic conductivity detector. Purge & trap-HECD conditions were optimized for TVOX analysis, and the limits of detection and quantitative analysis were evaluated. The proposed method allows to analyze water samples whose TVOX concentrations range is from μg/L to mg/L. This method was also applied to the continuous monitoring of TVOX levels in model chlorinated water and drinking water, in order to find out their formation potentials or daily, weekly and seasonal variations.

収録刊行物

  • 環境化学 : journal of environmental chemistry

    環境化学 : journal of environmental chemistry 18(1), 65-72, 2008-03-18

    Japan Society for Environmental Chemistry

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各種コード

  • NII論文ID(NAID)
    10021084828
  • NII書誌ID(NCID)
    AN10547099
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09172408
  • NDL 記事登録ID
    9433544
  • NDL 雑誌分類
    ZN5(科学技術--建設工学・建設業--都市工学・衛生工学) // ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z16-2322
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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