Graphite-Furnace Atomic Absorption Spectrometry of Organomercury and Organoselenium in Extracts of Biological Samples with an Organopalladium Matrix Modifier

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The sensitivity of organomercury in organic solutions has been found to be enhanced by applying 15 µl of an ethanol solution of Pd(acac)2 (500 µgPdml-1, acac is acetylacetonate) to a graphite-furnace, which is then heated to make a Pd coating on the furnace. After this treatment, an ethanol solution of the sample is injected to the furnace and measured. With this method, the detection limit of organomercury was found to be 0.25 ng. In a slightly different way, in which 2 ml of an ethanol solution of PdCl2(PhCN)2 (1000 µgPd ml-1) was added as a matrix modifier to 3 ml of an ethanol solution of organoselenium, selenium was determined with a detection limit of 0.12 ng. These methods can be successfully applied to the determinations of organomercury and organoselenium in an extract solution of a dolphin liver.

収録刊行物

  • Analytical sciences : the international journal of the Japan Society for Analytical Chemistry  

    Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 12(2), 215-218, 1996-04-10 

    日本分析化学会

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各種コード

  • NII論文ID(NAID)
    10002407933
  • NII書誌ID(NCID)
    AA10500785
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09106340
  • データ提供元
    CJP書誌  IR 
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