FIELD: physics.
SUBSTANCE: device includes receivers and light sources, and a cavity-channel, into which the analyzed sample is introduced as a falling jet. The cavity-channel is made of diffusely scattering hydrophobic material with recesses not leaving the cavity-channel. In the recesses the sources and the light receivers are located without contact with the cavity-channel. The recesses are designed to pass light into the cavity-channel. To ensure the vertical installation of the cavity-channel, the device includes an autocollimation system with a laser, the light from which is reflected from the free surface of the liquid in the additional container.
EFFECT: ensuring the possibility of rapid cleaning the device and reducing the degradation of the cavity-channel surface.
2 dwg
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