| Title: | Atmospheric carbonaceous aerosols over grasslands of central Europe and a Boreal forest |
| Author(s): | Alves C; Pio C; Carvalho A; Santos C; |
| Address: | "Escola Superior de Tecnologia e Gestao, Instituto Politecnico de Viana do Castelo, Av. do Atlantico, 4900-348 Viana do Castelo, Portugal. celia@dao.ua.pt" |
| DOI: | 10.1016/j.chemosphere.2005.07.004 |
| ISSN/ISBN: | 0045-6535 (Print) 0045-6535 (Linking) |
| Abstract: | "A labour-intensive analytical technique was applied to atmospheric particulate matter samples collected in a German urban/industrial influenced grassland location (Melpitz) and in a Finnish forest area (Hyytiala) in order to achieve a detailed chemical speciation of the organic content. The representative nature of the solvent and water-extractable fractions was determined. The organic compounds identified in the solvent extracts are represented by primary compounds with both anthropogenic and biogenic origin, which mainly derive from the vegetation waxes and from petrogenic sources. Secondary products resulting from the oxidation of volatile organic compounds were also detected. The German meadow presented the highest levels of sugars and acidic compounds in the water extracts, whilst polyols were the most abundant class in the Finnish forest. The major compounds of these classes were malic acid, mannitol, arabitol, glucose and sucrose. Levoglucosan was also found in the water extract" |
| Keywords: | Aerosols/*analysis Air Pollutants/*analysis Carbohydrates/analysis Carbon/*analysis Europe Organic Chemicals/*analysis Oxidation-Reduction Photochemistry Solvents/chemistry Time Factors *Trees Volatilization; |
| Notes: | "MedlineAlves, Celia Pio, Casimiro Carvalho, Abel Santos, Carla eng Research Support, Non-U.S. Gov't England 2005/11/09 Chemosphere. 2006 Mar; 63(1):153-64. doi: 10.1016/j.chemosphere.2005.07.004. Epub 2005 Nov 7" |
