Test card for an optical or electrical determination of the conc

Details Test card for an optical or electrical determination of the conc Test card for an optical or electrical determination of the conc

1998-09-01

2000-02-22

Alexander, Lyle A.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 61, 422 56, G01N 3348

Patent

active

060276894

ABSTRACT:
A test card for use with a measuring device for evaluating the concentration of a substance in a liquid, such as a substance in a body liquid, is made up of a number of layers of material preferably capable of being united with one another in a continuous process as the layers are unrolled from associated supply rolls. Each test card includes a plurality of individually usable test sections connected with one another and arranged in succession along the longitudinal direction of the card. The layers of material making up the card include at least a reaction layer and an overlying cover layer with the cover layer having a drop application opening in each test section for receiving a drop of the liquid to be accommodated. A distribution layer and a carrier layer of material may also be included in the card with the carrier layer in each test section having a measuring opening registering with the drop application opening, and lines of weakening are provided between neighboring test sections to allow easy removal of a used test section from the remaining ones.

REFERENCES:
patent: 3915639 (1975-10-01), Friedenberg
patent: 5017342 (1991-05-01), Haberzettl et al.
patent: 5183742 (1993-02-01), Omoto et al.
patent: 5597532 (1997-01-01), Connolly
patent: 5635403 (1997-06-01), Bailey

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