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Determination of Carbon Monoxide in Cigarette Smoke Using an Electrochemical Transducer


A system for the in-line measurement of puff-by-puff levels of carbon monoxide on a Filtrona 300 smoking machine during routine smoking of cigarette for tar and nicotine yields has been developed. The technique involves the introduction of a transducer into the suction line behind the Cambridge filter. This transducer comprises an electrochemical cell bridged by a pair of solenoid valves which are under the control of the cotton gate smoking terminator. These valves are actuated, other than at the butt mark, by an additional inductive timing switch on the crankshaft. Results using this technique compare well with results from existing off-Iine techniques such as gas-solid chromatography

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Allgemein, Biologie, andere, Physik