Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1987-05-14
1989-07-18
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
55 67, 55197, 55386, 7386481, 7386491, G01N 3006
Patent
active
048491799
ABSTRACT:
An apparatus for taking samples by thermal desorption of compounds that are adsorbed on solid adsorbents contained in a sample tube. An injector has a recess for accommodating the sample tube and a connection for a capillary column of a gas chromatograph. The compounds are desorbed into such capillary column by means of a stream of carrier gas passing through the sample tube. An injector extension is fastened to the injector and has a recess for accommodating the sample tube. The recess of the injector extension is flush with the recess of the injector. A push rod is guidable in the injector extension for pushing the sample tube from a position in the injector extension into a position within the injector. A carrier gas inlet communicates with the recess in the injector extension for admitting a carrier gas therein. A plug is disposed at an end of the push rod for gripping the sample tube. The plug includes a bore for effecting communication between the carrier gas inlet and the interior of the sample tube.
REFERENCES:
patent: 2357638 (1944-09-01), Dwyer
patent: 3933431 (1976-01-01), Trujillo et al.
patent: 4003257 (1977-01-01), Fletcher et al.
patent: 4388272 (1983-06-01), Gesteland
patent: 4389372 (1983-06-01), Lalin
patent: 4636227 (1987-01-01), Yin et al.
Dittmer Helmut
Gandress Jurgen
Reinhardt Karl H.
Kernforschungszentrum Karlsruhe GmbH
McMahon Timothy M.
Richman Barry S.
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