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Determination of Strontium in Solar Salt after Separation by Extraction with 1-Phenyl-3-methyl-4-stearoyl-5-pyrazolone and Trioctylphosphine Oxide

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Abstract

Extraction of calcium(II) and strontium(II) with a mixture of 1-phenyl-3-methyl-4-stearoyl-5-pyrazolone and TOPO in benzene is described. Calcium(II) and strontium(II) are extracted from a citrate medium at pH 9. Strontium(II) is back-extracted from the benzene phase with a citrate solution adjusted to pH 7, and then the amount was determined by atomic absorption spectrometry. This method can be used for the determination of strontium(II) in solar salt samples.

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Authors and Affiliations

  1. Department of Chemistry, Meisei University, Hino, Tokyo, 191, Japan

    Yoshifumi Akama, Kenji Sato & Toshio Nakai

  2. Department of Chemistry, Faculty of Science and Technology, Sophia University, Kioi-cho, Tokyo, 102, Japan

    Masatugu Kajitani

  3. Shin Nihon Kentei Kyokai, Shinyokohama, Kohoku, Yokohama, 222, Japan

    Shigetaka Kishimoto

Authors
  1. Yoshifumi Akama
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  2. Kenji Sato
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  3. Toshio Nakai
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  4. Masatugu Kajitani
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  5. Shigetaka Kishimoto
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Akama, Y., Sato, K., Nakai, T. et al. Determination of Strontium in Solar Salt after Separation by Extraction with 1-Phenyl-3-methyl-4-stearoyl-5-pyrazolone and Trioctylphosphine Oxide. ANAL. SCI. 3, 141–144 (1987). https://doi.org/10.2116/analsci.3.141

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  • DOI: https://doi.org/10.2116/analsci.3.141

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