Determination of Trace Heavy Metals by Sequential Injection-Anodic Stripping Voltammetry Using Bismuth Film Screen-Printed Carbon Electrode

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<p>A sequential injection-square-wave anodic stripping voltammetry (SIA-SWASV) is proposed for the simultaneous determination of Pb(II), Cd(II) and Zn(II), employing an in situ plated bismuth film screen-printed carbon electrode (Bi-SPCE) as a working electrode and hydrochloric acid as a supporting electrolyte. Bi(III) and analyte metal ions were on-line deposited onto a SPCE at -1.4 V vs. Ag/AgCl for 180 s. At a stopped flow, a square-wave voltammogram was recorded from -1.3 to 0 V vs. Ag/AgCl. The experimental conditions were optimized. Under the optimum conditions, the linear ranges were 0 - 70 mu g L-1 for Pb(II) and Cd(II), and 75 - 200 mu g L-1 for Zn(II). The limits of detection (S/N = 3) were obtained at concentrations as low as 0.89 mu g L-1 for Pb(II) and 0.69 mu g L-1 for Cd(II) for a 180-s deposition time. The proposed method was applied to the determination of Pb(II), Cd(II) and Zn(II) in water samples with satisfactory results.</p>

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 24(5), 589-594, 2008-05-10

    Japan Society for Analytical Chemistry

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各種コード

  • NII論文ID(NAID)
    10021099981
  • NII書誌ID(NCID)
    AA10500785
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09106340
  • NDL 記事登録ID
    9483019
  • 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  IR 
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