Heavy metal determination and source emission identification in an industrial location of Bogotá-Colombia
| Autor: | Jorge Eduardo Pachón, Hugo Sarmiento Vela |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: | |
| Zdroj: | Revista Facultad de Ingeniería Universidad de Antioquia, Iss 43 (2014) |
| Druh dokumentu: | article |
| ISSN: | 0120-6230 2422-2844 |
| DOI: | 10.17533/udea.redin.18764 |
| Popis: | During the present study, chemical characterization of particulate matter less than 10 micrometers (PM10) in an industrial zone of Bogotá was performed. A total of 75 samples were collected during one year (June 2005 – July 2006) under wet and dry conditions in three different places, two within the industrial zone and the other one in a remote area. Samples obtained during a public transportation strike, which took place in Bogota during two days in 2006, were also included in the study. Heavy metal concentrations (Cd, Cu, Cr, Ag, Fe, Pb, Mn, Zn, Ni) in PM10 fraction were conducted using Atomic Absorption Spectrometry. PM10 (24-hour average) concentration was found between 65 and 100 µg/m3 in the industrial zone, whereas in the northern point was as low as 20 µg/m3 (PM10 local standard is 150 µg/m3 ). Pb and Fe were the metals with the highest concentrations in air (~ 4,000 ng/m3 in the industrial zone, < 400 ng/m3 in the north point). Cu, Cr, Zn, Ni and Mn were assessed in a lower level (50-700 ng/m3 in the industrial zone, |
| Databáze: | Directory of Open Access Journals |
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