CNET誘導体法を用いる環境大気中アクロレインのLC/MS/MSによる定量 Determination of Acrolein in Ambient Air as it's CNET Derivative by LC/MS/MS

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A sensitive and selective method was developed for the determination of acrolein in ambient air by using liquid chromatography/tandem-mass spectrometry (LC/MS/MS). Air was sampled by passing through an <I>O</I>-(4-cyano-2-ethoxbenzyl) hydroxylamine (CNET) cartridge for 2∼24 hrs at a constant flow rate (200 mL/min). The acrolein-CNET derivative eluted from the cartridge with acetonitrile was separated by a reversed phase liquid chromatography and determined by LC/MS/MS in turbo spray ionization (ESI) positive mode. The collection efficiency of acrolein on a CNET cartridge was more than 99 %. The method detection limit was 0.4 ng/m<SUP>3</SUP> in case of sampling volume of 0.3 m<SUP>3</SUP> and relative standard deviation of repeated analysis was 5.0 %. Recoveries of acrolein on CNET cartridges under the condition of the relative humidity of 30∼87 % at the temperature of 25∼35 °C were 82∼92 %. In a refrigerator, acrolein-CNET derivative was stable for about 5 days on the cartridge, and that in the solution eluted with acetonitrile was stable for one month.<BR>This method was applied to the determination of ambient acrolein concentration for every 2∼3 hrs during one day. The concentrations of acrolein observed were in the range of 69∼288 ng/m<SUP>3</SUP>.

収録刊行物

  • 環境化学 : journal of environmental chemistry

    環境化学 : journal of environmental chemistry 18(1), 73-80, 2008-03-18

    Japan Society for Environmental Chemistry

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各種コード

  • NII論文ID(NAID)
    10021084860
  • 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
    9433562
  • 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  CJP引用  NDL  J-STAGE 
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