Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1992-11-19
1994-05-10
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422 8201, 422 8206, 435291, 435808, 436165, 436666, 356410, G01N 2100, G01N 2175, G01N 2185, C12M 134
Patent
active
053105265
ABSTRACT:
A chemical sensor and method for in-line chemical analysis including a body having a central cavity. The body also has a pair of openings through it to the cavity. A porous plug, such as a ceramic frit, is sealed into each of these openings so that there is a space between the plugs in the cavity. A vent passageway through the body to the cavity is also provided. A pressurized sample is flowed through one porous plug into the cavity while a pressurized reagent is flowed through the other porous plug into the cavity. A component of interest of the sample reacts with a reactive component of the reagent in the cavity to produce a reaction product. The reaction product is analyzed in the cavity by, for example, absorption spectroscopy. As fresh sample and reagent flow into the cavity, the reaction products flow out of the cavity by way of the vent passageway. An ultrasonic vibrator is attached to the body to enhance mixing of the reagent and sample in the cavity
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Barr Stephen W.
Yalvac E. Deniz
Yalvac Selim
Kim Christopher Y.
Stevens Timothy S.
The Dow Chemical Company
Warden Robert J.
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