FIELD: physics.
SUBSTANCE: method of detecting particles in a liquid agent, contained in a container, includes selective illumination of at least a portion of the liquid agent, obtaining an image from the illuminated portion of the liquid agent, analyzing the image data representing the image using a data processor to obtain particle concentration, measuring the image intensity value of the image data using the data processor, and determining the quality level of the liquid agent based on the particle concentration and the measured value of the image intensity.
EFFECT: invention makes it possible to increase the detection sensitivity of particles.
29 cl, 27 dwg
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