Volume independent test device

Details Volume independent test device Volume independent test device

1985-06-20

1987-03-03

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 58, 435805, G01N 3122, G01N 3352, G01N 3353

Patent

active

046474307

ABSTRACT:
A volume independent test device is formed in which the reagent matrix is covered by a water-impermeable coating or membrane. At least three openings extend through the coating or membrane material, penetrating into the underlying reagent matrix. These openings permit liquid to pass through the coating or membrane material and into the reagent matrix material until the reagent matrix becomes saturated.

REFERENCES:
patent: 3798004 (1974-03-01), Zerachia et al.
patent: 4144306 (1979-03-01), Figueras
patent: 4160008 (1979-07-01), Fenocketti et al.
patent: 4256693 (1981-03-01), Kondo et al.
patent: 4258001 (1981-03-01), Pierce et al.
patent: 4518565 (1985-05-01), Boger et al.
patent: 4551306 (1985-11-01), Bouwman et al.
patent: 4562148 (1985-12-01), Sommer

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