Publikace detail

Testing the Cell for Measurement of Diffusivity in Liquids

Autoři: Palatý Zdeněk | Žáková Alena

Rok: 2003

Druh publikace: článek v odborném periodiku

Název zdroje: Chemical and Biochemical Engineering Quarterly

Název nakladatele: Croatian Society of Chemical Engineering Technology

Místo vydání: Záhřeb

Strana od-do: 135-138

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
cze	Testing the Cell for Measurement of Diffusivity in Liquids	For the measurement of diffusion coefficients in liquids a method has been suggested where the time dependence of the component concentration in a small volume of the solvent, which is in the contact with the solution inside the vertical bundle of capillaries plugged at the lower end, is monitored. This method has been tested using sulfuric acid, which diffusivity is published. It has been found that the calculated values of acid concentration are in good agreement with those obtained experimentally. The calculated values have been obtained by a numerical solution of Fick?s second law, the concentration dependence of diffusivity of sulfuric acid in the capillaries being considered.	kyselina sírová;difúzivita;difuzní cela
eng	Testing the Cell for Measurement of Diffusivity in Liquids	For the measurement of diffusion coefficients in liquids a method has been suggested where the time dependence of the component concentration in a small volume of the solvent, which is in the contact with the solution inside the vertical bundle of capillaries plugged at the lower end, is monitored. This method has been tested using sulfuric acid, which diffusivity is published. It has been found that the calculated values of acid concentration are in good agreement with those obtained experimentally. The calculated values have been obtained by a numerical solution of Fick?s second law, the concentration dependence of diffusivity of sulfuric acid in the capillaries being considered.	sulfuric acid;diffusivity;diffusion cell

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