Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Sample mechanical transport means in or for automated...
Patent
1981-02-23
1984-01-31
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Sample mechanical transport means in or for automated...
55DIG33, 55DIG34, 55DIG35, 12820222, 422 83, 422 86, 422 88, G01N 3106, G01N 3122
Patent
active
044289073
ABSTRACT:
The invention provides a detector for detecting air components, e.g. contaminations, and in particular noxious or poisonous contaminations, which device comprises a housing in which an air pervious carrier containing a first reagent is arranged, this detector being adapted to draw air to be tested through said carrier so as to expose this reagent to the air, this reagent being influenced by the components to be detected, which carrier is to be contacted with a second reagent which, together with the first one, can bring about a color reaction depending on the fact whether the first reagent has been influenced or not. The housing forms, in the operative condition, an integral unit, an air- and liquid-tight container with a rupturable wall and containing a not contaminated liquid contributing to said color reaction being arranged within said housing, the latter being, furthermore, provided with a yieldable wall portion and a plurality of piercing pins arranged in such a mutual spatial relationship that the container can be pierced by pressing inwards said wall portion, so as to moisten said reagent carrier with the liquid from said container. In particular the second reagent can be contained in a similar second carrier which is normally eparated from the first one but is contacted therewith when pressing inwards said wall portion.
REFERENCES:
patent: 2908555 (1959-10-01), Grosskopf
patent: 3689224 (1972-09-01), Agnew et al.
patent: 3799742 (1974-03-01), Coleman
patent: 3955931 (1976-05-01), Thompson
patent: 4246229 (1981-01-01), McBride et al.
patent: 4272479 (1981-06-01), Huneke et al.
patent: 4300910 (1981-11-01), Pannwitz
Heijenga Berend
Hilbrink Hubertus E.
Klaij Henri F.
Marcus Michael S.
Nederlandse Centrale Organizatie voor Toegepast Natuurwetenschap
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