Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Calorimeter
Patent
1994-02-10
1995-03-14
Alexander, Lyle A.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Calorimeter
422 58, 422 83, 422 88, 436 43, 436 44, 436 46, G01J 150
Patent
active
053975383
ABSTRACT:
The invention is directed to an apparatus for optically evaluating colorimetric coloration zones automatically wherein not only a single testing tube but also a plurality of reaction zones applied one behind the other to a common carrier can be evaluated. The least quantity of indicator substances for the coloration zones is used and an adequate signal intensity with the least possible consumption of power for the optical signal evaluation is attained. At the same time, the sensitivity to faults is reduced. Such an apparatus includes transmission as well as receiving units on a common mounting carrier. The light of the transmitting unit is conducted via a light conductor through the region of the reagent carrier which is transmittent and the coloration of the channel-shaped reaction zones of the carrier is detected in transmission and reflectance.
REFERENCES:
patent: 4913881 (1990-04-01), Evers
patent: 5069879 (1991-12-01), Leichnitz et al.
patent: 5089232 (1992-02-01), May
Dreyer Peter
Stark Hartmut
Alexander Lyle A.
Dragerwerk Aktiengesellschaft
Ottesen Walter
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