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Generation of test gases from volatile and semivolatile organic compounds (VOC/SVOC) |
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| Authors: | B Schick U Risse and A Kettrup |
| Institution: | (1) GSF – National Research Centre for Environment and Health, Institute for Ecological Chemistry, Ingolst?dter Landstra?e 1, D-85764 Neuherberg, Germany, DE;(2) SIAD VTG, Trimmelkam 111, A-5120 St. Pantaleon, Austria, AT;(3) Technical University of Munich, Department of Dermatology and Allergy, Biedersteiner Strasse 29, D-80802 Munich, Germany, DE;(4) Technical University of Munich, Chair of Ecological Chemistry, D-85350 Freising-Weihenstephan, Germany, DE |
| Abstract: | An apparatus for the continuous generation of test gases from organic compounds of the VOC (Volatile Organic Compounds) and SVOC (Semivolatile Organic Compounds) categories has been developed. The use of a new test gas generator together with a system of heated transfer lines enabled the dynamic generation of test gases also of components with relatively low vapour pressures. With the help of an on-line coupled gas chromatograph the actual test gas concentrations were monitored. The apparatus has been evaluated for the compounds n-decane and pyrene. Received: 27 August 1998 / Revised: 3 March 1999 / Accepted: 6 March 1999 |
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