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Simultaneous Determination of Sodium and Potassium Ions in River Water by Ion Chromatography Using Silica Gels as a Stationary Phase

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Abstract

Alkali metal cations were shown to be separable on a silica gel column by cation exchange. Factors affecting the separation of these cations were investigated. Among them, type and concentration of the mobile phase electrolytes profoundly affected the retention of the analyte. The alkali metal cations were well separated on a 150 mm long Zorbax SIL column with 2.1 mm i.d., using an aqueous 0.01 mol dm−3 lithium acetate as the mobile phase. Sodium and potassium in river water were determined rapidly with satisfactory accuracy.

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Authors and Affiliations

  1. College of Liberal Arts, Okayama University, Okayama, 700, Japan

    Tadashi Iwachido

  2. Department of Chemistry, Faculty of Science, Okayama University, Okayama, 700, Japan

    Kenji Ishimaru & Shoji Motomizu

Authors
  1. Tadashi Iwachido
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  2. Kenji Ishimaru
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  3. Shoji Motomizu
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Iwachido, T., Ishimaru, K. & Motomizu, S. Simultaneous Determination of Sodium and Potassium Ions in River Water by Ion Chromatography Using Silica Gels as a Stationary Phase. ANAL. SCI. 4, 81–85 (1988). https://doi.org/10.2116/analsci.4.81

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  • DOI: https://doi.org/10.2116/analsci.4.81

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