Determination of Trace Amounts of Mercury, Lead and Cadmium in Steels by ICP-MS after Ion Exchange Chromatographic Separation

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Other Title
  • イオン交換分離／誘導結合プラズマ質量分析法による鉄鋼中微量水銀，鉛，カドミウムの定量
  • イオン コウカン ブンリ ユウドウ ケツゴウ プラズマ シツリョウ ブンセキホウ ニ ヨル テッコウ チュウ ビリョウ スイギン ナマリ カドミウム ノ テイリョウ

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Abstract

Trace amounts of mercury, lead, and cadmium at a level of ng g−1 in steel were determined by ICP-MS after cation-exchange chromatographic separation. The sample was decomposed with nitric acid, and the analytes were separated from the iron matrix in 1 M hydrofluoric acid solution, using the cation-exchange resin packed in a mini-column. The elements adsorbed on the resin were eluted by 8 M hydrochloric acid solution and determined by ICP-MS simultaneously. The lower limits of detection based on 3 σ of blank values were 2 ng g−1 for mercury, 9 ng g−1 for lead, and 0.5 ng g−1 for cadmium.<br>

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 55 (4), 245-249, 2006

    The Japan Society for Analytical Chemistry

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