Abstract
Intradiffusion coefficients for tritiated water (3HHO) and perchlorate ion (36ClO 4 - ) were measured in perchloric acid solutions. At 5°C the diffusion coefficient measured for the tritiated species increases to a maximum near 1.3 mol-dm−3. The data at 25°C have been used to calculate distinct diffusion coefficients, D ij d . As a precursor for those calculations, new estimates were made of the Onsager phenomenological coefficients, l ij . The l ij and D ij d are similar to the respective coefficients in hydrochloric acid solutions.
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