Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Calorimeter
Patent
1987-06-19
1989-03-07
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Calorimeter
422 58, 422 57, 436165, G01N 3122, G01N 3352, G01N 3353
Patent
active
048104701
ABSTRACT:
A process and device for quantitative determination of analyte concentrations in liquid samples. The device includes one or more bibulous matrices constructed and arranged to essentially eliminate sample volume sensitivity from analyte determinations. In accordance with the present invention, the device includes one or more test reagent-treated bibulous matrices covered at least partially by an impermeable coating or film. A liquid sample is applied to the uncovered portion of the bibulous matrix such that the liquid sample is metered into the bibulous matrix by the impermeable coating or film. The sample chromatographs through the bibulous matrix until the matrix is saturated with liquid. The process is essentially sample volume independent, providing more uniform and accurate quantitative analyte determinations.
REFERENCES:
patent: 3917453 (1975-11-01), Milligan et al.
patent: 4647430 (1987-03-01), Zweig
Burkhardt Alan E.
Genshaw Marvin A.
Stover Lon R.
Alfandary-Alexander Lyle
Coe Roger N.
Miles Inc.
Richman Barry S.
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