Selective Adsorption of Mercury(II)on Chitosan Derivatives from Hydrochloric Acid

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Crosslinked N-(2-pyridylmethyl)chitosan (PMC), N-(2-thienylmethyl)chitosan (TMC), and N-[3-(methylthio)propyl]-chitosan(MTPC) were newly synthesized as adsorbents of mercury(II). The amino group of the active adsorption site of chitosan was protected by Schiff's base formation prior to being crosslinked by 2-(chloromethyl)oxirane. The final chitosan derivatives were obtained by reducing the imine moiety of the Schiff's bases with sodium borohydride. The adsorption behavior of metal ions on the chitosan derivatives was examined from hydrochloric acid using a batchwise method. These chitosan derivatives exhibited high selectivities for mercury(II) over base metals in hydrochloric acid. Among the chitosan derivatives, MTPC especially exhibited high selectivity and a high loading capacity for mercury(II). The stoichiometric relations in the adsorption of mercury(II) on PMC and MTPC were clarified from hydrochloric acid.

収録刊行物

  • Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

    Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 14(4), 687-690, 1998-08-10

    社団法人 日本分析化学会

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各種コード

  • NII論文ID(NAID)
    10002416314
  • NII書誌ID(NCID)
    AA10500785
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09106340
  • NDL 記事登録ID
    4538503
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z54-F482
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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