FIELD: measuring equipment.
SUBSTANCE: using to determine the solvents diffusion coefficient in solid products from capillary-porous materials. Summary of the invention that in the test article creating the uniform initial content of the distributed in the solid phase solvent, bringing the product flat surface into the contact with the solvent impulse point source, waterproofing this surface, placing the galvanic converter electrodes onto this surface along the concentric circle relative to the impulse action point, at that, fixing the two moments in time τ1 and τ2, at which the galvanic converter signal equal values are achieved before and after the converter signal maximum occurrence moment, and the diffusion coefficient calculation is carried out according to certain mathematical formula.
EFFECT: increasing the solvents in solid products made of capillary-porous materials diffusion coefficient measuring accuracy.
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