FIELD: measurement equipment.
SUBSTANCE: invention relates to the field of surface events and may be used in different fields, also for characterisation of disperse materials or crushed materials, sand, cement, etc. The method is characterised by the fact that the studied disperse material is placed into a template made in the form of a plate having free space in its centre, which is arranged in the centre of the limiting circumference applied on an easily replaced surface, or in a cuvette with available internal area, covered with a layer of water, which is exposed to the surfactant, they fix appearance of moving objects and calculate speed of their motion with subsequent calculation of speed of water movement along the surface of the disperse material.
EFFECT: method improvement.
6 ex, 1 tbl, 6 dwg
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