Abstract
THE diffusion coefficient of a particle in solution is given by the Einstein equation1: 
where f is the frictional coefficient of the diffusing substance.
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References
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Basset, quoted by Lamb in Hydrodynamics, 602 (New York, 1945).
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ROSSI, C., BIANCHI, E. Diffusion of Small Molecules. Nature 189, 822–824 (1961). https://doi.org/10.1038/189822a0
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DOI: https://doi.org/10.1038/189822a0
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