Analysis of aerosol particles and coarse particulate matter concentrations in Chillán, Chile, 2001-2003.
作者： José E. Celis , Robert G. Flocchini , Omar F. Carvacho , José R. Morales , Claudio A. Zaror
DOI: 10.1080/10473289.2006.10464445
关键词: Environmental chemistry 、 Ammonium 、 Environmental engineering 、 Aerosol 、 Sulfate 、 Organic matter 、 European union 、 Particulates 、 Air pollution 、 Nitrate 、 Environmental science
摘要: Abstract Daily particle samples were collected in Chillan, Chile, at six urban locations from September 1, 2001, through 30, 2003. Aerosol using monitors equipped with a Sierra Andersen 246-b cyclone inlet on Teflon filters. Average concentrations of coarse particulate matter (PM10) for the 2001–2003 period ranged 43.4 μg/m3 to 81.8 across sites. Annual PM10 concentration levels exceeded European Union limits. Mean during cold season (April September) more than twice as high those observed warm (October March). contributions organic matter, soil dust, nitrate (NO3 −), elemental carbon, ammonium (NH4 +), and sulfate (SO4 2−) 31%, 27%, 11%, 8%, 7%, 5%, respectively. The chemical analyses indicated that carbonaceous substances most abundant components months, whereas crustal material was component wa...
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