Summary
The simultaneous determination of chlorofluorocarbons and their replacement compounds in ambient air samples requires the preconcentration of appropriate air volumes on suitable adsorbents. The performance of a dual-layer adsorption tube to be used in this type of analysis was evaluated in terms of breakthrough volumes (BTV) for the compounds of interest at ambient temperature. To verify the effectiveness of such adsorption tubes, real air samples were enriched at ambient temperature and were subsequently analyzed by capillary gas chromatography coupled with quadrupole mass spectrometry, operating in SIM mode. The results obtained confirmed the efficacy of the proposed method, in terms both of sensitivity and chromatographic separation efficiency.
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Mangani, F., Maione, M., Lattanzi, L. et al. A gas chromatographic-mass spectrometric method for trace analysis of chlorofluorocarbons and their replacement compounds in atmospheric samples. Chromatographia 51, 325–330 (2000). https://doi.org/10.1007/BF02490611
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DOI: https://doi.org/10.1007/BF02490611