JOURNAL of the Tunisian Chemical Society

serving the Research, the Education and the Industry

Determination of diffusion coefficient of ethylendiamine in aqueous solution

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A method for determination of the molecular species diffusion coefficients in solution is proposed. This method is adapted from Stokes one and involves the unidirectional diffusion through a microporous hydrophilic membrane. It is applied to a series of near size aminated compounds. The results are compared to literature. The good agreement allows to estimate with a good accuracy the ethylenediamine (EDA) diffusion coefficient. The latter, witch is unknown in the literature, is necessary to our study on EDA "Transport-Reaction" in ion-exchange membranes.

C. Ahmed, S. Roudesli

Pages 827-838

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