Abstract
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A brief overview on the origin of the halogenated carbonys COCl2, COClF and COF2 in the atmosphere is given. A description of the measurement technique, matrix-isolation-spectroscopy, which was used for the determination of these compounds, and results obtained from several flights over northern Europe will be discussed. While COCl2 appears to be present in both troposphere and stratosphere, the two other compounds were detected only in the stratosphere. -Authors