| 摘要 |
A detector tube with a rod-shaped reagent carrier placed into a transparent tube, which reagent carrier is provided with a detection substance, such that the reagent carrier can be placed into the detector tube in a simple manner and that defined flow conditions become established around the reagent carrier. The cross-sectional contour of the reagent carrier is designed as a polygon in such a way that at least some of the outer edges of the reagent carrier are in contact with the inner side of the tube.
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