Method for chemically analyzing a test piece

Details Method for chemically analyzing a test piece Method for chemically analyzing a test piece

1988-04-08

1991-08-13

Lacey, David L.

Chemistry: analytical and immunological testing

Automated chemical analysis

Utilizing a moving indicator strip or tape

436 47, 436165, 436171, 436808, 422 63, 422 65, 422 66, 435300, 435301, C01N 2100

Patent

active

050396153

ABSTRACT:
An apparatus for chemically analyzing a sample on a test piece that includes a reagent layer, comprises a test piece table for positioning a test piece thereon, and an applying station wherein a sample may be applied to the reagent layer. The test table moves to a position below a row of holes with the reagents aligned to the holes and a sample is applied to each reagent layer from a nozzle, the samples passing through the respective holes. Covers are moved over the holes after the samples are applied and the test pieces are moved to a measuring station for measuring the reaction between the sample and reagent layer. Photometric techniques are used in evaluating the reaction. Opening and closing of the covers is controlled by motion of the sample dispensing nozzle as it moves from one opening to the next.

REFERENCES:
patent: 4584275 (1986-04-01), Okano et al.

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