Determination of Dissolved Iron in the Presence of Organic Ligands Using Molecular Recognition Technology (MRT) Products

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  • Kinoshita Sanae
    Graduate School of Science and Technology, Kanazawa University
  • Hasegawa Hiroshi
    Graduate School of Science and Technology, Kanazawa University
  • Iwasa Tomoki
    Department of chemistry and chemical engineering, Kanazawa University
  • Saitou Keita
    Graduate School of Science and Technology, Kanazawa University
  • Okumura Chikako
    Graduate School of Science and Technology, Kanazawa University
  • Maki Teruya
    Graduate School of Science and Technology, Kanazawa University
  • Ueda Kazumasa
    Graduate School of Science and Technology, Kanazawa University

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 In this study, we present solid phase extraction system for dissolved iron from a solution containing EDTA as organic ligand using molecular recognition technology gel; carrier modified the many layers of crown ether. Dissolved iron was quantitatively collected on the MRT gel from aqueous solutions containing a 100-fold concentration of EDTA, while the recoveries of ion-exchange and chelate resins were 10 to 50 percent. Dissolved iron was not completely collected using other solid phase extraction materials. The results indicate the MRT gel is available for separation of dissolved iron under large amounts of EDTA condition.

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