It has been established that organic aerosol (OA) makes up for a major fraction of fine particulate matter in all region of the atmosphere. This fraction accounts approximately for half of the total PM2.5 dry mass.1,2 Primary OA is directly emitted in the troposphere from anthropological and natural sources whereas secondary OA (SOA) is formed in-situ in the atmosphere from the oxidation of biogenic or anthropogenic gas-phase precursors and subsequent partitioning of the less volatile products into the...
By Chromatotec Group based in Val de Virvée, FRANCE.
Nearly 100 test rigs for the quality assurance and the development of filters are being used worldwide with great success.
By Palas GmbH based in Karlsruhe, GERMANY.
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