FIELD: physics.
SUBSTANCE: invention has an indicator strip, a pad for the sample, adjacent to the indicator strip, a clamping wall which can direct the stream of fluid medium from the pad of the sample to the indicator strip for analysis of liquid, flowing sideways. The invention also contains an upper supporting structure, placed over the indicator strip, and a lower supporting structure, placed under the indicator strip. Each of the upper and lower support structures has several supporting edges along the indicator strip, placed at a distance from each other.
EFFECT: provision for uniform sideways flow through the indicator strip.
34 cl, 5 dwg
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