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Fig. 3 Diffusion coefficients in aqueous solutions of various viscosity.
Reciprocals of obtained diffusion coefficients versus viscosity. As
expected from the Einstein–Stokes equation, they were linear
relationships. The results of least-squares linear regression are shown by the
broken lines. For the regression, data points at 10.8 mPa s were eliminated
(see text for detail). The data points and error bars indicate the mean
± s.d. (N=3).