Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Studies on Preparation of Resion-Metal Chelates and Its Catalytic Activity for the Oxidation of Hydroxy Compounds and l-Ascorbic Acid

Resin-Metal Chelate의 제조와 Hydroxy화합물 및 l-Ascorbic Acid의 산화 촉매효과에 관한 연구

  • Whang Kyu-Ja (Department of Chemistry, Yonsei University) ;
  • Lee Young Sun (Department of Manufaturing Pharmacy, Sookmyung Women's University) ;
  • Kim Young Mi (Department of Manufaturing Pharmacy, Sookmyung Women's University) ;
  • Lee Yong-Keun (Department of Manufaturing Pharmacy, Sookmyung Women's University)
  • 황규자 (延世大學校 理科大學 化學科) ;
  • 이영선 (淑明女子大學校 藥學大學 製藥學科) ;
  • 김영미 (淑明女子大學校 藥學大學 製藥學科) ;
  • 이용근 (淑明女子大學校 藥學大學 製藥學科)
  • Published : 1989.02.20
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Abstract

Chelating resins containing hydrazide or triethylenetetramine side chain were prepared using a commercial cation exchage resin, Diaion WK 11, and their nitrogen contents were determined by elemental analysis. The synthesized resin, and commercial chelating resins, (Diaion-CR 10 and-CR 20) were treated with various metal chelates of which metal contents were subsequently determined by chelatometry. Sectioned beads of the resin-metal chelates were also observed using electron microprobs X-ray analyzer. To examine the catalytic activity of the resin-metal chelates, they were applied to the oxidation of various hydroxy compounds and l-ascorbic acid, and found to be effective catalysts.

양이온 교환수지(Diaion WK 11)를 사용하여 hydrazide 또는 triethylenetetramine 곁사슬을 가진 polymethacrylate계 킬레이트 수지를 만들어 수지중의 질소함량을 원소분석법으로 구한 다음 제조된 수지와 시판 킬레이트수지(Diaion CR 10 및 CR 20)를 금속이온 Cu(II), Co(II), Fe(III)들과 반응시켜 금속 킬레이트수지를 만들었다. 금속의 함량은 킬레이트적정법으로 구하고 수지의 절단면을 electron microprobe X-ray analyzer로 관찰하여 수지내부의 금속의 존재를 확인하였다. 한편, 금속 킬레이트 수지를 hydroxy compounds와 l-ascorbic acid의 산화반응에 이용한 결과 유용한 촉매임을 확인하였다.

Keywords

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