Fig. 4. (A): Self-diffusion coefficients for H2O in water and aqueous solutions of 1.0 m CsCl, 4.5 m CsCl, or 1.0 LaCl3 at 20 (±0.5) C. (B): The diffusion coefficients divided by the 1H T1 measurements for pure H2O and for aqueous 1.0 m CsCl. Uncertainties from pressure were determined by propagating a ±0.01 nm (±30 MPa) estimated uncertainty in the peak position through the equations relating the R1 fluorescence of the ruby to pressure (Dewaele et al., 2008). Error estimates assigned to diffusion coefficient values are the estimated standard deviation from four repeated PGSE trials. The lines are merely to guide the eye and are not regressions.
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