Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1987-02-03
1988-12-20
Castel, Benoit
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422 74, 422101, 436 23, 436 70, 436165, G01N 930, G01N 3306
Patent
active
047924322
ABSTRACT:
The present invention relates to a method for making liquid analysis and to an analytical element to be used in the method. The method is especially suitable for analysing organic fluids, like blood. The analytical element is of the integrated element type and consists of two parts of certain volume, which parts are connected to each other so that they form a pair of communicating vessels. In the preferred embodiment the element consists of two arms, one is a descending arm and the other is an ascending arm. There is a liquid carrier phase in the end of the descending arm and said phase is dipped into the liquid to be analysed for dosing the liquid in a quantitative manner. An external gravitational field like a centrifugal force is used to move the liquid inside the element through a diffusion zone and a reaction zone to a detection zone for the measurement of the result. In the method like in the element the law of communicating vessels is at least a contributory factor for limiting the flow of the liquid to be analysed, since the surface of the liquid in both vessels will be on the same niveau.
REFERENCES:
patent: 658250 (1900-09-01), Erfmann
patent: 3996001 (1976-12-01), Sanz et al.
patent: 4270921 (1981-06-01), Graas
patent: 4557600 (1985-12-01), Klose et al.
patent: 4588555 (1986-05-01), Provonchee
Castel Benoit
Johnston Jill
Orion-yhtyma Oy
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