What is it about?
The apparent diffusion coefficients of La, Nd, Eu, Dy, Er, and Lu in compacted bentonites were investigated at various bicarbonate concentrations. The apparent diffusion coefficients of these lanthanides tended to decrease with increasing dry density. The effect of carbonate on the diffusion of lanthanides in bentonite differs depending on the atomic number of the lanthanide.
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Why is it important?
The transport of radionuclides in compacted bentonite is mainly controlled by diffusion, and thus it is important to determine the diffusion coefficients of these radionuclides in various conditions.
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This page is a summary of: Effect of Carbonate on the Migration Behavior of Lanthanides in Compacted Bentonite, MRS Advances, February 2018, Cambridge University Press,
DOI: 10.1557/adv.2018.184.
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