A new diffusion cell and an interferometer have been developed for determination of isothermal diffusion coefficients in ternary mixtures. Two interferometer schemes have been proposed and tested for the measurements. The classical Mach–Zehnder interferometer can be reconfigured into a common-path interferometer to resolve high gradients of the refractive index that are typical of diffusion experiments. Formulations, methodology and algorithms for data extraction are presented for the example of a ternary mixture with an equal mass fraction of all components (1:1:1) in the system of tetralin–isobutylbenzene–dodecane. The selection of the fitting procedure is very important for obtaining reliable results.
Aliaksandr Mialdun 1 ; Viktar Yasnou 1 ; Valentina Shevtsova 1
@article{CRMECA_2013__341_4-5_462_0,
author = {Aliaksandr Mialdun and Viktar Yasnou and Valentina Shevtsova},
title = {Measurement of isothermal diffusion coefficients in ternary mixtures using counter flow diffusion cell},
journal = {Comptes Rendus. M\'ecanique},
pages = {462--468},
publisher = {Elsevier},
volume = {341},
number = {4-5},
year = {2013},
doi = {10.1016/j.crme.2013.02.001},
language = {en},
}
TY - JOUR AU - Aliaksandr Mialdun AU - Viktar Yasnou AU - Valentina Shevtsova TI - Measurement of isothermal diffusion coefficients in ternary mixtures using counter flow diffusion cell JO - Comptes Rendus. Mécanique PY - 2013 SP - 462 EP - 468 VL - 341 IS - 4-5 PB - Elsevier DO - 10.1016/j.crme.2013.02.001 LA - en ID - CRMECA_2013__341_4-5_462_0 ER -
%0 Journal Article %A Aliaksandr Mialdun %A Viktar Yasnou %A Valentina Shevtsova %T Measurement of isothermal diffusion coefficients in ternary mixtures using counter flow diffusion cell %J Comptes Rendus. Mécanique %D 2013 %P 462-468 %V 341 %N 4-5 %I Elsevier %R 10.1016/j.crme.2013.02.001 %G en %F CRMECA_2013__341_4-5_462_0
Aliaksandr Mialdun; Viktar Yasnou; Valentina Shevtsova. Measurement of isothermal diffusion coefficients in ternary mixtures using counter flow diffusion cell. Comptes Rendus. Mécanique, 10th International Meeting on Thermodiffusion, Volume 341 (2013) no. 4-5, pp. 462-468. doi : 10.1016/j.crme.2013.02.001. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2013.02.001/
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