Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1979-10-09
1981-02-17
Serwin, Ronald
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
23928, 261124, 261DIG28, 422 50, 422 99, G01N 3350, G01N 3396, G01N 110
Patent
active
042514835
ABSTRACT:
Multiple, independent path bubble tonometer apparatus for preparing a plurality of predetermined like or different gas/blood samples under identical though dynamic conditions. The tonometer comprises in a controlled environment common locus, multiple tonometer paths each of which is defined by a gas/blood equilibration chamber, means to add a blood sample to the chamber, means to diffuse a gas into the blood sample to an equilibrium condition therein, the gas diffusion means including a porous diffuser body communicating the sample with a pressurized gas supply, and side arm means to selectively withdraw an aliquot portion of the equilibrium condition sample; and an enclosure defining the controlled environment locus identically about each and every tonometer path for instantly cross-referenceable multiple sample preparations.
REFERENCES:
patent: 3127254 (1964-03-01), Astrup et al.
patent: 3973915 (1976-08-01), Raffaele
Noonan et al., Clin. Chem., vol. 20, No. 6, 1974, pp. 660-665.
Adams et al., "Determination of the Blood/Gas Factor of the Oxygen Electrode Using a New Tonometer", British J. of Anaesthesia, C1967, pp. 107-113.
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