Compensation formula for the determination of trace metals by anodic stripping voltammetry and its application to the analysis of metals in rain water.

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  • アノーディックストリッピングボルタンメトリーによる水中の微量金属の定量における汚染排除計算法及びその雨水試料への適用
  • アノーディック ストリッピング ボルタンメトリー ニ ヨル スイチュウ ノ ビ

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Abstract

For the determination of trace matals in a sample, such as rain water, contamination from the supporting electrolyte solution and the standard solution are not negligible. In this study, the relationship between the composition of the solution in the statndard addition method and the response signal was analyzed. It was concluded that two correction terms for eliminating contamination were added to the usual formula used to determine. The trace metals, such as Cu(II), Pb(II), Cd(II) and Zn(II) in rain water were determined by anodic stripping voltammetry with the supporting eletrolyte solution containing 7.68×10-2 M tartaric acid and 3.84×10-2 M ammonium acetate. The proposed method can be used to determine ppb level of trace metals with good precision.

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 40 (2), 97-99, 1991

    The Japan Society for Analytical Chemistry

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