FIELD: physics.
SUBSTANCE: method involves taking and scanning samples, calculating concentration of the key component in the samples based on analysis of their images and calculating heterogeneity coefficient of the mixture from fluctuations of these concentrations relative the average concentration. The image of the surface of the mixture, perpendicular the axis along which the mixture is homogeneous is analysed. The image is divided into sample zones, and concentration of the key component is calculated as a fraction of the area occupied by that component on the surfaces of these sample zones. The heterogeneity coefficient is corrected based on random fluctuations of the number of particles of the key component on the observation surface.
EFFECT: reduced labour input of the method, increased accuracy and rate of determining quality of the mixture.
1 ex, 1 tbl
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