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Author |
Roekens, E.; Komy, Z.; Leysen, L.; Veny, P.; Van Grieken, R. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Chemistry of precipitation near a limestone building |
Type |
A1 Journal article |
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Year |
1988 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Water, air and soil pollution |
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Volume |
38 |
Issue |
3/4 |
Pages |
273-282 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
A total of 82 samples of wet and total deposition were sampled near the limestone cathedral at Mechelen, Belgium, which is presently being affected seriously by air pollution, and at a reference site. Most of these samples were analyzed for 10 major and 7 trace ions in solution and for 15 elements in suspension. It appeared that calcite, released from the building, effectively neutralizes the rainwater in the near vicinity and produces high Ca and bicarbonate concentrations. Heavy metal concentrations are hardly affected by the building. |
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Publication Date |
2014-08-25 |
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ISSN |
0049-6979; 1573-2932 |
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Call Number |
UA @ admin @ c:irua:116806 |
Serial |
7663 |
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Author |
Leysen, L.; Roekens, E.; Van Grieken, R. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Air-pollution-induced chemical decay of a sandy-limestone cathedral in Belgium |
Type |
A1 Journal article |
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Year |
1989 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
The science of the total environment |
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Volume |
78 |
Issue |
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Pages |
263-277 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Different trace- and microanalytical techniques were used in an extensive study to elucidate the chemical deterioration process of the sandy-limestone St Rombouts Cathedral in Mechelen, Belgium. Samples of stones, mortar joints, slates, atmospheric aerosols and gases, total and wet deposition, and water that had run down the cathedral walls, were all thoroughly characterized. At the east side, usually not exposed to precipitation, a 3001000-μm thick outer crust of microcrystalline gypsum was observed, while at the west side, this surface layer was mostly eroded away due to precipitation. At the north and south sides, the crust contains varying amounts of gypsum and calcite. The gypsum is mostly present in a bar-shaped morphology and carbonaceous fly-ash particles were rarely found in the weathering crust. Local stone characteristics seem to be extremely important in relation to the gypsum content of the crust; black samples always have a much higher sulphate content than the corresponding white samples, irrespective of the predominant direction of orientation. The relative contribution of nitrogen- and chlorine-containing pollutants to the total decay process is much smaller than that of sulphur-containing pollutants. Deposition samples collected at the site of the cathedral mostly had a pH of > 5.6, due to the neutralization of the rainwater by alkaline atmospheric constituents. Runoff water and washdown water were enriched in all ions, especially Ca2+ and SO42−, indicating that, indeed, gypsum is the most important weathering product. The suspension in deposition samples and black-well leaching water was highly enriched in silicon-containing particles, while runoff water and white-wall leaching water contained a predominant calcium-rich suspension. |
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A1989R806400021 |
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2003-09-12 |
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ISSN |
0048-9697; 1879-1026 |
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UA library record; WoS full record; WoS citing articles |
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Call Number |
UA @ admin @ c:irua:116649 |
Serial |
7431 |
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Author |
Leysen, L.A.; Roekens, E.J.; Van Grieken, R.E.; De Geyter, G. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Characterization of the weathering crust of various historical buildings in Belgium |
Type |
A1 Journal article |
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Year |
1990 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
The science of the total environment |
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Volume |
90 |
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Pages |
117-147 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
A variety of samples, collected from different historical buildings and monuments throughout Belgium, were thoroughly studied, using several trace- and micro-analysis techniques. Thin sections of stones and mortar joints were characterized by means of electron probe X-ray microanalysis (EPXMA). The morphological appearance of the surface weathering crust and the possible presence of non-innate particles in the crust were elucidated using petrographical and electron microscopy. Quantitative characterization of the total chemical composition of the crust surface layer and underlying layer was performed by energy-dispersive X-ray fluorescence, and by ion chromatography and atomic absorption spectrometry for the leachable components. Special attention was also paid to the chemical composition of rain and air at the particular sampling sites. The element distribution in the transition zone between the weathering crust and the original stone material was found to vary greatly amongst the different samples analyzed. Detailed EPXMA measurements on pieces of the weathering crust showed remarkable differences in morphology and composition between the surface and the underlying layer, and provided information about the presence of fly-ash and soil dust particles in the crust. Except for crusts from the city of Brussels, which were all very high in sulphate, the samples appeared to contain very variable sulphate contents; very local micro-climate and environmental conditions at a particular site are more important in determining the weathering condition of the building stones than the local air pollution situation. Bulk analytical characterization further showed, in all the crust samples studied, a very small contribution of nitrogen- and chlorine-containing weathering products, in contrast to sulphur-containing weathering salts. |
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A1990CJ43500010 |
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2003-09-12 |
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0048-9697; 1879-1026 |
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UA library record; WoS full record; WoS citing articles |
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Call Number |
UA @ admin @ c:irua:116650 |
Serial |
7636 |
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Author |
Leysen, L.A.; De Waele, J.K.; Roekens, E.J.; Van Grieken, R.E. |
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Title |
Electron probe micro-analysis and laser microprobe mass analysis of material, leached from a limestone cathedral |
Type |
A1 Journal article |
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Year |
1987 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Scanning microscopy |
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1 |
Issue |
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Pages |
1617-1630 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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ISSN |
0891-7035 |
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Call Number |
UA @ admin @ c:irua:116794 |
Serial |
7872 |
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Author |
Van Grieken, R.; Artaxo, P.; Bernard, P.; Leysen, L.; Otten, P.; Storms, H.; Van Put, A.; Wouters, L.; Xhoffer, C. |
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Title |
Micro-analysis of individual environmental particles |
Type |
A1 Journal article |
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Year |
1990 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Chemia analityczna |
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35 |
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75-89 |
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A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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A1990FG37600010 |
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0009-2223 |
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UA library record; WoS full record; WoS citing articles |
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Call Number |
UA @ admin @ c:irua:116932 |
Serial |
8227 |
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Author |
Leysen, L.A.; Roekens, E.J.; Storms, H.; Van Grieken, R.E. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Classification of suspended particles in deposition samples and run-off water samples from a limestone cathedral |
Type |
A1 Journal article |
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Year |
1987 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
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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2003-08-06 |
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0004-6981 |
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Call Number |
UA @ admin @ c:irua:116454 |
Serial |
7670 |
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Permanent link to this record |
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Author |
Leysen, L.; Roekens, E.; Komy, Z.; Van Grieken, R. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
A study of the weathering of an historic building |
Type |
A1 Journal article |
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Year |
1987 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Analytica chimica acta |
Abbreviated Journal |
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Volume |
195 |
Issue |
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Pages |
247-255 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Various bulk and surface analytical techniques were used to study the chemical deterioration of the 13th-to-15th century limestone cathedral in Mechelen, Belgium. The weathering crust on the walls was found to be rich in sulfate, regardless of the geographic orientation. Nitrate and chloride were only detected in minor amounts in the crust and run-off samples. Attack by gaseous sulfur compounds seems to play a dominant role in the stone deterioration mechanism. Electron microprobe analysis showed predominantly bar-shaped gypsum crystals in the crust, and laser microprobe mass spectrometry showed that carbon seems to be responsible for the blackness of most crust samples. Automated electron microprobe analysis also indicated significant differences in the analytical composition of suspensions in run-off water and in rain-water. |
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A1987K019500022 |
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2002-07-25 |
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0003-2670; 1873-4324 |
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UA library record; WoS full record; WoS citing articles |
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Call Number |
UA @ admin @ c:irua:116446 |
Serial |
8608 |
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Author |
Roekens, E.; Leysen, L.; Van Grieken, R.; Komy, Z. |
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Title |
Chemical characterisation of weathering crust and run-off water for a deteriorated limestone cathedral |
Type |
P3 Proceeding |
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Year |
1986 |
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P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Call Number |
UA @ admin @ c:irua:117506 |
Serial |
7641 |
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Author |
Leysen, L.; Roekens, E.; Van Grieken, R. |
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Title |
Effecten van luchtverontreiniging op historische gebouwen |
Type |
P3 Proceeding |
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Year |
1987 |
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P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Call Number |
UA @ admin @ c:irua:117518 |
Serial |
7839 |
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Author |
Van Grieken, R.; Verbueken, A.; Bruynseels, F.; Vandeputte, D.; Goossenaerts, C.; Leysen, L.; Otten, P.; Wouters, L. |
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Title |
Laser microprobe mass analysis : characteristics and applications |
Type |
P3 Proceeding |
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1987 |
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P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Call Number |
UA @ admin @ c:irua:117534 |
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8155 |
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Author |
Roekens, E.; Van Raemdonck, C.; Leysen, L.; Chakravorty, R.; Van Grieken, R. |
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Title |
Weathering products and surface recession rates for sandy limestones exposed to air pollution |
Type |
H3 Book chapter |
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1987 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
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707-714
T2 - Acid rain : scientific and technical |
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H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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UA @ admin @ c:irua:117536 |
Serial |
8756 |
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