1971-02-01

An Ozone-NO Chemiluminescence Method for NO Analysis in Piston and Turbine Engines 710072

A method for the measurement of nitric oxide (NO) in photochemical smog research was developed using the chemiluminescence from the rapid reaction between ozone (O3) and NO. An instrument based on this method has been constructed; it is applicable to a number of automotive problems. This NO detector has been tested extensively in both laboratory and dynamometer experiments, and has been shown to have several outstanding features: detection sensitivity of 0.01-5000 ppm, selective detection for NO, continuous monitoring with fast response time, and good stability and ease of operation.
Examples of results obtained in turbine experiments and in vehicle exhaust analysis are presented.

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