Analytical Science and Technology (분석과학)
- Volume 8 Issue 2
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- Pages.205-213
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- 1995
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- 1225-0163(pISSN)
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- 2288-8985(eISSN)
Analysis of Counter-diffusion of Aromatic Compounds on Alumina by Spectrophotometry
알루미나에서 방향족화합물의 분광광도법에 의한 역확산 해석
- Ko, Tae-Seog (Department of Inorganic Materials Engineering, Dongshin University) ;
- Chung, Kyeong-Hwan (Department of Petrochemical Engineering, Hanlyo Sanup University)
- Received : 1995.05.18
- Published : 1995.06.25
Abstract
Counter-diffusion of coronene desorbed from alumina with addition of tetra-phenylporphine was studied by spectrophotometry. The counter-diffusion processes of adsorbing and desorbing materials in liquid phase were simulated by counter-diffusion model based on Fritz's binary component isotherm under an assumption of equimass diffusion. The counter-diffusivities of desorbed coronene with addition of tetra-phenylporphine were as
알루미나에 흡착된 coronene이 tetra-phenylporpine에 의해 탈착되어 역확산되는 과정을 분광광도법을 이용하여 조사하였다. 액상에서 진행되는 흡착되는 물질과 탈착되는 물질의 역확산과정을, 교차하는 물질의 확산량이 같다는 가정 아래 Fritz 2 성분 흡착등온식을 적용한 역확산 모델로 모사하였다. Tetra-phenylporphine에 의해 탈착되는 과정에서 결정된 coronene 의 역확산계수는