Simultaneous Ion-Pair Solvent-Extraction Preconcentration of 12 Elements in Natural Water Samples for the Determination by Inductively Coupled Plasma Atomic Emission Spectrometry.

  • ZHANG Xiang-Yu
    Laboratory of Analytical Chemistry, Faculty of Science, Niigata University
  • SATOH Keiichi
    Laboratory of Analytical Chemistry, Faculty of Science, Niigata University
  • SATOH Atsushi
    Laboratory of Analytical Chemistry, Faculty of Science, Niigata University
  • SAWADA Kiyoshi
    Laboratory of Analytical Chemistry, Faculty of Science, Niigata University
  • SUZUKI Toshio
    Laboratory of Analytical Chemistry, Faculty of Science, Niigata University

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タイトル別名
  • Simultaneous Ion-Pair Solvent-Extractio

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抄録

Simultaneous preconcentration extraction by trioctylmethylammonium chloride (TOMA•Cl) for the determination of trace amounts of twelve elements (Bi(III), Cd(II), Co(II), Cu(II), Fe(II), Hg(II), Mo(VI), Pb(II), Sb(III), Sn(II), V(V), Zn(II)) in natural water samples is described. A water sample containing 0.3mol dm-3 HCl, 0.1mol dm-3 KI, 0.1mol dm-3 KSCN, and 0.01mol dm-3 ascorbic acid was shaken with 2%(w/v) TOMA•Cl in xylene with a volume ratio (Vaq/Vorg) of 100. After preconcentration extraction, the organic phase was directly introduced into inductively coupled plasma atomic emission spectrometry. Twelve elements could be determined at the μg dm-3 or ng dm-3 level. Some natural water samples as well as standard reference material were analyzed by the proposed method. The results were highly satisfactory.

収録刊行物

  • Analytical Sciences

    Analytical Sciences 13 (6), 891-895, 1997

    社団法人 日本分析化学会

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