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Predicted (1 0 0) Bragg peak intensity ratio (solid), H2O/D2O, Eq. (12) as a function of water density inside the pore, assuming a uniform density profile and sharp edges at the pore wall. The density of the silica is taken to be that of bulk silica. Also shown is the case where the D2O is contaminated with 10 mol% H2O (dashed). The dotted line shows the ratio found in the current experiment.
