Novel Approach to the Reaction Analysis of Non - UV - Absorbing Crown Ether with Alkali Metal Ions in Aqueous Solution by Capillary Zone Electrophoresis Using Indirect Photometric Detection

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A novel analysis method for complex formation reactions of such a non-UV-absorbing crown ether as 1,4,7,10,13,16-hexaoxacyclooctadecane (18-crown-6 ether, 18C6) with alkali metal ions was established through the mobility change in capillary zone electrophoresis. Alkali metal ions at their concentrations of 1 × 10<SUP>−4</SUP> mol dm<SUP>−3</SUP> were photometrically detected by using 1-ethylquinolinium ion as an indirect photometric reagent. The apparent electrophoretic mobility of alkali metal ions decreased along with the increase in the concentrations of 18C6 in migrating solutions. The complex formation constants analyzed and determined by using the mobility change agreed well with the reported values.

収録刊行物

  • Chemistry letters  

    Chemistry letters 1999(6), 523-524, 1999-06-05 

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10004486413
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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