吸着濃縮/原子吸光法による環境試料中の鉛の定量

書誌事項

タイトル別名
  • Determination of lead in environmental samples by preconcentration with adsorbent/AAS.
  • キュウチャク ノウシュク ゲンシ キュウコウホウ ニ ヨル カンキョウ シリョ

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抄録

1-Phenyl-3-methyl-4-stearoy1-5-pyrazolone(C18)loaded on a porous polymer resin(C18/SP207)was prepared for the determination of lead in environmental samples. Lead(II)was quantitatively retained on C18/SP207 from an aqueous solution of pH>4.7 in the batch experiment. In the column experiment, lead(II) was quantitatively retained with 2.0g of C18/SP207 when the flow rate of sample solution was lower than 7 ml/min. Lead(II) retained on C18/SP207 was completely eluted with 2 M hydrochloric acid. The recovery from 203000 ml of sample solution containing 400 μg of lead was higher than 96%. Alkali and alkaline earth metal elements, chloride and other ions had no effect on the recovery. The method was applied to the determination of lead in several salt samples and one of seawater. The recoveries of lead(II) added to these samples were approximately 100%.

収録刊行物

  • 分析化学

    分析化学 43 (11), 1013-1016, 1994

    公益社団法人 日本分析化学会

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