土壌・植物体中の多環芳香族炭化水素の分離定量と動態解析 (<特集>環境ホルモンと分析化学)

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タイトル別名
  • Determination and dynamic analysis of polycyclic aromatic hydrocarbons in soil and plant samples.
  • 土壌・植物体中の多環芳香族炭化水素の分離定量と動態解析
  • ドジョウ ショクブツタイ チュウ ノ タカン ホウコウゾク タンカスイソ ノ ブンリ テイリョウ ト ドウタイ カイセキ

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Polycyclic aromatic hydrocarbons (PAHs) are hazardous environmental contaminants. Benzo[a]pyrene, a typical example of PAHs, is suspected to be an endocrine disruptor. Reported here are the results of the determination of PAHs in soil from several locations in Tokushima and plant samples, such as rice straw, polished rice and unpolished rice. Samples were extracted for 16 h with 120 ml of dichloromethane using a soxhlet thimble. The extract portion was then cleaned by passing it through activated silica gel with aceton/hexane (5/95, v/v). The PAHs were analyzed by HPLC and GC/MS. This method was successfully applied to the determination of PAHs in real environmental samples. The determination limits for PAHs were in the range of 0.10.5 μg/kg for soils and plants. Replicate analyses gave errors ranging between ±1030 % for soils and plants. According to this determination, some PAHs, including benzo [a] pyrene, can be detected in soil samples and plants. For instance, the total concentration of detected PAHs was 250 μg/kg in soil samples of University of Tokushima.

収録刊行物

  • 分析化学

    分析化学 48 (6), 631-636, 1999

    公益社団法人 日本分析化学会

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