• P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

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    Metal Ion Selectivity of Surface Templated Resins Carrying Phosphate Groups

    Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
    1995, v.8 no.4, pp.529-534
    Murata, Masaharu
    Maeda, Mizuo
    Takagi, Makoto
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    Abstract

    The metal ion selective resins were prepared by surface template polymerization using monooleyl phosphoric acid (1), oleyl methyl phosphoric acid (2) or oleyl ethyl phosphoric acid (3) as an amphiphilic host surfactant. The <TEX>$Cu^{2+}$</TEX>-imprinted resins prepared in the presence of <TEX>$Cu^{2+}$</TEX> adsorbed <TEX>$Cu^{2+}$</TEX> much more effectively than did their reference resins. On the other hand, the <TEX>$Cu^{2+}$</TEX>-imprinted resins showed much less binding ability to <TEX>$Zn^{2+}$</TEX>. The template-dependent selectivity should be ascribed to a favorable placement of the surface-anchored metallophilic groups for multidentate coordination to specific metal ion.

    keywords
    Surface template polymerization, ion exchange resin, phosphoric acid, divinylbenzene, selective metal ion adsorption


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