| Abstract In order to improve the traditional Sintered-glass diaphragm cell used for liquid diffusion, preliminary investigation has been made on the applicability of porous metallic membrane. It has been found that a metallic membrane with openings of average radius of 1.42�� and thickness of 100�� can be successfully used for such purpose. The diffusion coefficients determined by the metallic diaphragm cell for the water-ethanol and ethanol-carbon tetrachloride systems at 25.00�� are in agreement with those published in literature. The time of determination has been reduced from 2��4 days as usually required for sinter-glass diaphragm cell to 1.5��4 hrs. for the present cell. Diffusion coefficients have also determined at 25.00�� by the present cell for benzene-carbon tetrachloride and propanol-carbon tetrachloride systems with experimental error less than 1.8% |
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1986, Vol. 3 
