FIELD: physics.
SUBSTANCE: device for detecting the chemical indicator comprises a housing including: a viewing hole, a means for providing illumination, and test tube seats made in such a way that a viewer sees the test tubes on the side at an angle more or less perpendicular to the direction of illumination, wherein the device comprises, at least, two windows, which are interchangeable.
EFFECT: increasing qualitative and quantitative detection of various chemical indicators.
18 cl, 6 dwg
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