Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Ion Permeability, Dehydration and Relaxation Times of Hydrated Ions Through Membranes

반투막을 통한 수화된 이온의 투과속도 탈수화율 및 완화시간에 관한 연구

  • Kim Mu Shik (Department of Materials Science and Engineering, University of Utah) ;
  • Lee Hai Bang (Department of Materials Science and Engineering, University of Utah) ;
  • Kim Sung Wan (Department of Materials Science and Engineering, University of Utah) ;
  • Joseph D. Andrade (Department of Materials Science and Engineering, University of Utah)
  • 김무식 (미국 유타대학교 재료공학과) ;
  • 이해방 (미국 유타대학교 재료공학과) ;
  • 김성완 (미국 유타대학교 재료공학과) ;
  • Published : 1976.12.30
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Abstract

A simplified statistical mechanical method was developed for the calculation of the dehydration fraction, activation free energy of dehydration, and the relaxation times of hydrated ions. The model used includes the equilibrium constant between hydrated and dehydrated water, a water-ion interaction potential energy term, and a mixing factor for the species present. The agreement between theory and experiment is good. The pressure dependence of ion dehydration is also discussed.

간단한 통계역학적 방법을 사용 수화된 이온의 완화시칸, 탈수화시의 활성화, 에너지, 탈수화율 등을 계산하였다. 구상한 model에 의하면 수화된 물과 탈수화된 물 간의 평형상수, 물-이온간 에너지 항, 각종 species 간의 혼합 factor들이 들어있다. 이론과 실험은 잘 맞는 겨로가를 보이고 있다. 또한 이온이 탈수화식의 압력의 영향도 아울러 논의하였다.

Keywords

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