Three techniques for the measurement of the oxides of nitrogen in automotive exhaust were evaluated. These included a “nitrous fume” analyzer, a gaseous NO2 colorimeter, and a movable mass spectrometer. All data obtained were compared to data from currently accepted wet chemical methods, the phenoldisulfonic acid and the “modified” Saltzman.Of the techniques evaluated, the mass spectrometer analysis of NO has been found to be the most useful for the study of nitrogen oxides in engine exhaust. The high cost of wet chemical analysis has indicated a need for an improved and continuous analytical method. The mass spectrometer approach measures NO within seconds of its discharge, thus minimizing any reactions prior to measurement.Three techniques for the measurement of the oxides of nitrogen in automotive exhaust were evaluated. These included a “nitrous fume” analyzer, a gaseous NO2 colorimeter, and a movable mass spectrometer. All data obtained were compared to data from currently accepted wet chemical methods, the phenoldisulfonic acid and the “modified” Saltzman.Of the techniques evaluated, the mass spectrometer analysis of NO has been found to be the most useful for the study of nitrogen oxides in engine exhaust. The high cost of wet chemical analysis has indicated a need for an improved and continuous analytical method. The mass spectrometer approach measures NO within seconds of its discharge, thus minimizing any reactions prior to measurement.Three techniques for the measurement of the oxides of nitrogen in automotive exhaust were evaluated. These included a “nitrous fume” analyzer, a gaseous NO2 colorimeter, and a movable mass spectrometer. All data obtained were compared to data from currently accepted wet chemical methods, the phenoldisulfonic acid and the “modified” Saltzman.Of the techniques evaluated, the mass spectrometer analysis of NO has been found to be the most useful for the study of nitrogen oxides in engine exhaust. The high cost of wet chemical analysis has indicated a need for an improved and continuous analytical method. The mass spectrometer approach measures NO within seconds of its discharge, thus minimizing any reactions prior to measurement.


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    Title :

    Continuous Mass Spectrometric Determination of Nitric Oxide in Automotive Exhaust


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1966 Automotive Engineering Congress and Exposition ; 1966



    Publication date :

    1966-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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