Dehydration kinetics and conductivity scaling in time near the continuity failure of a water wetting film in granular media

We found that in wet biological and manmade granular materials drying freely to ambient air, dehydration kinetics is quite linear in time in the proximity to the thin, quasi-2D aqueous layer continuity threshold. Electric conductivity of the film scales like a power of time-to-failure. The scaling exponent is to within more or less 15% the same as the corresponding exponent for conductivity scaling with the sample hydration.

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