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Kontinuierliche Bestimmung von Stickstoffdioxid in Luft mit dem Autoanalyzer

Continuous determination of nitrogen dioxide in the air with an Autoanalyzer

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Zusammenfassung

Über die kontinuierlich registrierende Messung von Stickstoffdioxid in Luft im Konzentrationsbereich 0 bis 3,2 mg/m3 mit einem TechniconAutoanalyzer wird berichtet. Grundlage der photometrischen Messung ist die Bildung eines Azofarbstoffes nachSaltzman. Die apparative Anordnung ist einfach. Aufwendig ist jedoch die absolute Eichung mit NO2-Luft-Gemischen. Durch apparative Modifizierungen kann die angegebene Empfindlichkeit gesteigert werden.

Summary

Monitoring NO2 in air in the concentration range 0 to 3,2 mg/m3 by a Technicon Autoanalyzer is described. The analytical process is based on the photometric determination of an azo dye formation, as reported bySaltzman. The apparatus used is simple. Absolute calibration of the procedure with NO2-air-test gases, however, is complicated. The sensitivity of the method can be increased by further modifications of the apparatus.

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Author information

Authors and Affiliations

  1. Bundesgeaundheitsamt, Institut für Wasser-, Boden- und Lufthygiene, Berlin-Dahlem, Deutschland

    Siegfried Häntzsch, Frank Nietruch & Karl-Ernst Prescher

Authors
  1. Siegfried Häntzsch
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  2. Frank Nietruch
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  3. Karl-Ernst Prescher
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Häntzsch, S., Nietruch, F. & Prescher, KE. Kontinuierliche Bestimmung von Stickstoffdioxid in Luft mit dem Autoanalyzer. Mikrochim Acta 57, 550–556 (1969). https://doi.org/10.1007/BF01216458

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  • DOI: https://doi.org/10.1007/BF01216458

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