A simple in situ preconcentration for the simultaneous determination of arsenic (III) and arsenic (V) in environmental water samples based on solid-phase extraction

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  • OKUMURA Minoru
    Interdisciplinary Faculty of Science and Engineering, Shimane University
  • FUJINAGA Kaoru
    Interdisciplinary Faculty of Science and Engineering, Shimane University
  • SEIKE Yasushi
    Interdisciplinary Faculty of Science and Engineering, Shimane University
  • NAGATA Mika
    Interdisciplinary Faculty of Science and Engineering, Shimane University
  • MATSUO Shuji
    Interdisciplinary Faculty of Science and Engineering, Shimane University

Bibliographic Information

Other Title
  • 固相抽出法による環境水中のヒ素（ＩＩＩ）及びヒ素（Ｖ）の簡便な現場同時捕集濃縮／定量
  • 固相抽出法による環境水中のヒ素(III)及びヒ素(V)の簡便な現場同時補集濃縮/定量
  • コソウ チュウシュツホウ ニ ヨル カンキョウ スイチュウ ノ ヒソ 3 オヨビ ヒソ 5 ノ カンベン ナ ゲンバ ドウジホシュウ ノウシュク テイリョウ

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Abstract

A simple in situ preconcentration method using solid-phase extraction for the simultaneous determination of arsenic(III) (arsenite)and arsenic(V) (arsenate) in environmental water samples has been developed, followed by hydride generation-atomic absorption spectrometry. This method is based on the simultaneous collection of arsenic(III) and arsenic(V) and their successive elution from a small column packed with a zirconium-loaded sorbent. A water sample was taken into a graduated syringe to prevent the oxidation of arsenic(III) to arsenic(V) by air. The water sample (pH 4.5) was passed through a small column to collect arsenic(III) and arsenic(V) onto it. The retained arsenic(III) and arsenic(V) were quantitatively eluted with 0.5 mol/l hydrochloric acid and then a 0.5 mol/l sodium hydoxide solution, respectively. The proposed method is applicable to brackish and sea-water samples as well as fresh-water samples.<br>

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 52 (12), 1147-1152, 2003

    The Japan Society for Analytical Chemistry

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