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Author |
Leysen, L.A.; Roekens, E.J.; Storms, H.; Van Grieken, R.E. |
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Title |
Classification of suspended particles in deposition samples and run-off water samples from a limestone cathedral |
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A1 Journal article |
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Year |
1987 |
Publication |
Atmospheric environment |
Abbreviated Journal |
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Volume |
21 |
Issue |
11 |
Pages  |
2425-2433 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
In a study on the mechanism of the air-pollution induced deterioration of the limestone St. Rombouts cathedral in Mechelen, Belgium, automated electron-probe X-ray micro-analysis combined with multivariate analysis was used to characterize the suspension particles in run-off water and in local wet and dry deposition samples. Altogether about 10,000 individual particles were sized, analyzed and classified, according to their chemical composition. It was found that the run-off water samples were highly enriched in CaCO3 particles, resulting from the stone-erosion by overflowing rainwater, while the Si-rich group was the most abundant one in the deposition samples. Several other particle types were found. Ion chromatography analysis of the run-off water showed 2001700mg l−1 of sulphate and 20110mg l−1 of nitrate. |
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Wos |
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Publication Date |
2003-08-06 |
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Edition |
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ISSN |
0004-6981 |
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UA library record |
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Open Access |
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no |
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Call Number |
UA @ admin @ c:irua:116454 |
Serial |
7670 |
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Author |
Bencs, L.; Ravindra, K.; de Hoog, J.; Spolnik, Z.; Bleux, N.; Berghmans, P.; Deutsch, F.; Roekens, E.; Van Grieken, R. |
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Title |
Appraisal of measurement methods, chemical composition and sources of fine atmospheric particles over six different areas of Northern Belgium |
Type |
A1 Journal article |
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Year |
2010 |
Publication |
Environmental pollution |
Abbreviated Journal |
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Volume |
158 |
Issue |
11 |
Pages |
3421-3430 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Daily and seasonal variation in the total elemental, organic carbon (OC) and elemental carbon (EC) content and mass of PM2.5 were studied at industrial, urban, suburban and agricultural/rural areas. Continuous (optical Dustscan, standard tapered element oscillating micro-balance (TEOM), TEOM with filter dynamics measurement system), semi-continuous (Partisol filter-sampling) and non-continuous (Dekati-impactor sampling and gravimetry) methods of PM2.5 mass monitoring were critically evaluated. The average elemental fraction accounted for 26% of the PM2.5 mass measured by gravimetry. Metals, like K, Mn, Fe, Cu, Zn and Pb were strongly inter-correlated, also frequently with non-metallic elements (P, S, Cl and/or Br) and EC/OC. A high OC/EC ratio (29) was generally observed. The total carbon content of PM2.5 ranged between 3 and 77% (averages: 1232%), peaking near industrial/heavy trafficked sites. Principal component analysis identified heavy oil burning, ferrous/non-ferrous industry and vehicular emissions as the main sources of metal pollution. This work compares various aerosol monitoring methods to characterize PM2.5 over six locations of different anthropogenic activities over Northern Belgium. |
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000282563200009 |
Publication Date |
2010-08-23 |
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ISSN |
0269-7491; 1873-6424 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access |
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no |
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Call Number |
UA @ admin @ c:irua:84237 |
Serial |
7488 |
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