Chemistry: analytical and immunological testing – Automated chemical analysis – With a continuously flowing sample or carrier stream
Patent
1991-07-30
1993-01-12
Warden, Robert J.
Chemistry: analytical and immunological testing
Automated chemical analysis
With a continuously flowing sample or carrier stream
436 9, 436117, 422 83, 422 93, 422110, G01N 3508, G01N 3100, G01N 700, G05D 700
Patent
active
051790254
ABSTRACT:
A flow reactor for simulating the interaction in the troposphere is set forth. A first reactant mixed with a carrier gas is delivered from a pump and flows through a duct having louvers therein. The louvers straighten out the flow, reduce turbulence and provide laminar flow discharge from the duct. A second reactant delivered from a source through a pump is input into the flowing stream, the second reactant being diffused through a plurality of small diffusion tubes to avoid disturbing the laminar flow. The commingled first and second reactants in the carrier gas are then directed along an elongate duct where the walls are spaced away from the flow of reactants to avoid wall interference, disturbance or turbulence arising from the walls. A probe connected with a measuring device can be inserted through various sampling ports in the second duct to complete measurements of the first and second reactants and the product of their reaction at selected XYZ locations relative to the flowing system.
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Davis Dennis D.
Koontz Steven L.
Fein Edward K.
Kim Christopher Y.
Miller Guy M.
Schlorff Russell E.
The United States of America as represented by the United States
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