Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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Rates and Mechanism of Adsorption of Transition Metal Ions on Polystyrene Resins Supported Diethylenetriamine

디에틸렌트리아민을 지지시킨 폴리스틸렌수지에 대한 전이금속이온의 흡착속도와 메카니즘

  • Kim, Sun-Deuk (Department of Chemistry. Taegu University) ;
  • Shin, Yun-Yeol (Chemical Analysis Div., Forensic Science Dept., NISI) ;
  • Kim, Chang-Su (Department of Chemistry Education, Taegu University)
  • 김선덕 (대구대학교 자연과학대학 화학과) ;
  • 신윤열 (국립과학수사연구소 법과학부 화학분석과) ;
  • 김창수 (대구대학교 사범대학 화학교육과)
  • Received : 1999.04.01
  • Published : 1999.12.25
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Abstract

Chloromethylated polystyrene resins supported diethylenetriamine of linear and claw types have been prepared by the reaction of diethylenetriamine with chloromethylated polystyrene. The kinetics of adsorption of transition metal ions on polystyrene resins were measured by the limited-bath technique. This paper reports the results of the diffusion coefficients, entropies of activation, and free energies of activation. The ratedetermining step of the adsorption of transition metals on the resins is a process of diffusion through the particles.

클로로메틸화폴리스틸렌에 디에틸렌트리아민을 선형과 집게형으로 지지시킨 수지를 합성하고 이 수지에 전이금속이 흡착되는 속도를 limited-bath법으로 측정하였다. 이 결과에서 확산계수, 활성화 엔트로피와 활성화 자유에너지를 구하였다. 속도론적 데이터에서 전이금속이 수지에 흡착되는 반응 과정의 속도결정단계는 확산과정임을 알 수 있었다.

Keywords

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