Spectrophotometric and AAS Determination of Trace Amounts of Cobalt after Preconcentration by Using α-Benzilmonoxime-Microcrystalline Naphthalene

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The formed cobalt-α-benzilmonoxime complex was adsorbed onto microcrystalline naphthalene. Then it was determined by zero and first derivative spectrophotometry and by atomic absorption spectrophotometry (AAS) after dissolving into chloroform and methylisobutylketone (MIBK), respectively. Under optimum conditions, cobalt in the range of 1.0 - 20.0, 0.4 - 30.0 and 2.5 - 50.0 µg could be determined by spectrophotometry, first derivative spectrophotometry and AAS method, respectively. By the method, a preconcentration factor equal to ∼30 for cobalt was obtained. The effect of diverse ions on the determination of 5.0 µg cobalt was also studied. The method was successfully applied to some pharmaceuticals and synthetic alloy samples.

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 20(8), 1227-1230, 2004-08-10

    The Japan Society for Analytical Chemistry

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各種コード

  • NII論文ID(NAID)
    10013451101
  • NII書誌ID(NCID)
    AA10500785
  • 本文言語コード
    ENG
  • 資料種別
    NOT
  • ISSN
    09106340
  • NDL 記事登録ID
    10384762
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z54-F482
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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