How to avoid water contamination in the thermodesorption cryofocusing technique. Application to ethane analysis in human breath by means of an ion trap detector (ITD) |
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Authors: | Y Ghoos M Hiele P Rutgeerts G Vantrappen |
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Abstract: | The purpose of this study was to modify an automatic pre-concentration system to avoid water contamination and to apply this technique to ethane analysis in breath. The ion trap detector was very useful in monitoring the whole analytical procedure. |
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Keywords: | Capillary gas chromatography Pre-concentration Ion trap detector Ethane |
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