METHODS AND SYSTEMS FOR ANALYZING AIRBORNE COMPOUNDS

In systems and methods for analyzing traces of airborne compounds, the air to be analyzed is circulated for a given length of time through a small-diameter analysis tube while lowering the temperature of the air at the entrance to the analysis tube. Condensation and deposits of compounds are formed...

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Bibliographische Detailangaben
Hauptverfasser:	DE VANDIERE BRUNO, DEBROCHE CLAUDE, GARNIER NICOLAS
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	In systems and methods for analyzing traces of airborne compounds, the air to be analyzed is circulated for a given length of time through a small-diameter analysis tube while lowering the temperature of the air at the entrance to the analysis tube. Condensation and deposits of compounds are formed on the inner walls of the analysis tube. A scraping liquid is circulated through the analysis tube to scrape off the deposits. The compounds in the deposits are concentrated at the front of this liquid. The front of the liquid is then analyzed to identify the compounds.