Process for removing an air sample used for measuring the air quality of offices in sick building syndrome analysis containing an organic substance, comprises feeding the air sample over an enriching agent for an organic substance

摘要

Process for removing an air sample containing an organic substance comprises feeding the air sample at 0.1-300, especially 0.1-10 l/h over an enriching agent for an organic substance. An Independent claim is also included for a device for carrying out the process comprising an arrangement for removing an air sample with an enriching agent, and a conveying device for the sample. Preferred Features: After removing the air sample, an organic substance is removed from the enriching agent and the concentration of the substance in the sample is determined. The air sample contains volatile organic compounds. The sample is removed continuously or in prescribed time intervals at a constant air volume stream. The organic substance is removed from the enriching agent using ultrasound or a thermal, physical and chemical process.