Abstract
ATMOSPHERIC trace concentrations of carbon tetrafluoride (CF4) in a variety of ambient air samples have been measured. The air samples were concentrated by a cryogenic trapping technique and the CF4 species identified by combined gas chromatography–mass spectrometry (GC–MS) with single ion monitoring. The contribution of natural and/or anthropogenic sources to the global burden of CF4 is unknown. CF4 may be one of the atmosphere's rare gases.
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RASMUSSEN, R., PENKETT, S. & PROSSER, N. Measurement of carbon tetrafluoride in the atmosphere. Nature 277, 549–551 (1979). https://doi.org/10.1038/277549a0
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DOI: https://doi.org/10.1038/277549a0
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