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Analysis of organic trace compounds in the atmosphere and the correlation between meteorological situation and concentration of reference substances

Analyse von Spuren organischer Verbindungen in der Atmosphäre und Beziehung zwischen meteorologischen Bedingungen und der Konzentration von Referenzsubstanzen

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Summary

A research project is described, which is being carried out systematically with the objective of qualitative and quantitative assessment of organic substances occurring in the air at forest “sites” considering seasonal and meteorological variations. To begin with, a collecting and analytical system with diverse additional modules had to be developed and assembled for this purpose. With the aid of an adsorptive enrichment system this enables the determination of the entire palette of organic substances present in the air at the “site”.

Hitherto, about 160 of the major organic substances occurring in the air at the “site” have been determined. These occur at concentrations between several ng to several μg per m3 air and belong to different classes of compounds. So-called reference substances have been selected as representatives of particular classes of substances. The alterations of concentrations in air at the “site” of these reference substances have been investigated as a function of meteorological conditions. The evaluation of the data led to the following conclusions:

  • The influence of wind direction, i.e. the long-distance transport of emission, is particularly significant with respect to presence and concentration of organic substances in air at the “site”.

  • The humidity prevailing during sampling at the “site” has a significant influence on the concentration of airborne organic compounds of natural origin, e. g. acetophenone.

  • There are indications that the wind velocity also plays a significant role on the concentration of organic substances in air at the “site” during uniform wind direction.

The evidence regarding the relationship between concentration of organic substances in air at the “site” and the different meteorological factors obtained till now are to be confirmed by continuation of these analytical activities and further substantiated with additional data.

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References

  1. Figge K, Rabel W, Wieck A (1987) Fresenius Z Anal Chem 327:261–278

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  2. Figge K, Dommröse AM, Rabel W, Zerhau W (1987) Fresenius Z Anal Chem 327:279–292

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Authors and Affiliations

  1. NATEC, Institut für naturwissenschaftlich-technische Dienste GmbH, Behringstrasse 154, D-2000, Hamburg 50, Federal Republic of Germany

    A. -M. Dommröse & K. Figge

Authors
  1. A. -M. Dommröse
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  2. K. Figge
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Additional information

The project on which this report is based was supported by means of the Federal Minister for research and technology under the number: 03-7376-AO

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Dommröse, A.M., Figge, K. Analysis of organic trace compounds in the atmosphere and the correlation between meteorological situation and concentration of reference substances. Z. Anal. Chem. 332, 606–611 (1988). https://doi.org/10.1007/BF00472651

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  • DOI: https://doi.org/10.1007/BF00472651

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