Chemistry: analytical and immunological testing – Composition for standardization – calibration – simulation,...
Patent
1992-10-30
1993-11-02
Housel, James C.
Chemistry: analytical and immunological testing
Composition for standardization, calibration, simulation,...
436 18, 436 19, 436171, 422 61, 435 2, 435 79, 435 791, 356436, G01N 3316, G01N 2178, G01N 2180
Patent
active
052583082
ABSTRACT:
A method and apparatus for calibrating or checking the calibration of vertical photometers. The invention may also provide easy and convenient assay results for diagnostic profiles. The invention comprises pre-dispensed amounts of a suitable reagent, chosen for the particular use, disposed in a vessel with an amount of a wetting agent or other means to yield a reproducible meniscus in the resulting control solution. The control solution is dried to leave a precise amount of dried reagent and other constituents in the vessel which can then be stored and distributed until subsequent use. The dried control solution can then be reconstituted to provide a standard having known absorbance and physical characteristics.
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Freeman Gary M.
Freeman Mary J.
Bhat N.
Housel James C.
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