Preparation of Sr Adsorptive Fiber by Impregnating with Crown Ether Derivative for <sup>90</sup>Sr Measurement

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  • HORITA Takuma
    Nuclear Science and Engineering Centar, Japan Atomic Energy Agency
  • ASAI Shiho
    Nuclear Science and Engineering Centar, Japan Atomic Energy Agency
  • KONDA Miki
    Department of Fukushima Technology Development, Nuclear Science Research Institute, Japan Atomic Energy Agency
  • HANZAWA Yukiko
    Nuclear Science and Engineering Centar, Japan Atomic Energy Agency
  • SAITO Kyoichi
    Department of Applied Chemistry and Biotechnology, Chiba University
  • FUJIWARA Kunio
    Environment Purification Research Institute Co.
  • SUGO Takanobu
    Environment Purification Research Institute Co.
  • KITATSUJI Yoshihiro
    Nuclear Science and Engineering Centar, Japan Atomic Energy Agency

Bibliographic Information

Other Title
  • クラウンエーテル誘導体を担持した<sup>90</sup>Sr分析用吸着繊維の作製
  • クラウンエーテル誘導体を担持した⁹⁰Sr分析用吸着繊維の作製
  • クラウンエーテル ユウドウタイ オ タンジシタ ⁹ ⁰ Sr ブンセキヨウ キュウチャク センイ ノ サクセイ

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Description

A Sr adsorption fiber was prepared for rapid analysis of 90Sr content in the fiber using radiation-induced emulsion graft polymerization and subsequent chemical modification. A polyethylene fiber with a diameter of 13 μm was first immersed in a methanol solution of an epoxy-group-containing vinyl monomer, glycidyl methacrylate (GMA), and polyoxyethylene sorbitol ester (Tween20) as a surfactant for the graft-polymerization of GMA. Octadecylamine was then bound to a polymer chain extending from the fiber surface, providing hydrophobicity to the polymer chain. Dicyclohexano-18-crown-6 (DCH18C6) was finaly impregnated onto the polymer chain via a hydrophobic interaction between the octadecyl moiety of the polymer chain and the cyclohexyl moiety of DCH18C6. The fiber surface structure, characterized by DCH18C6 molecules loosely entangled with polymer chains, allowed for the rapid adsorption of Sr ions at an adsorption rate of approximately 100-times higher than that of a commercially available Sr-selective resin (Sr Resin®).

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 66 (3), 189-193, 2017

    The Japan Society for Analytical Chemistry

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