Metal availability and bio-accessibility in water-logged soils: in vitro experiments
Presentado al congreso European Geosciences Union. General Assembly, 2010. 2-7 mayo en Viena, Austria.
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European Geophysical Society
2010
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| Online Access: | http://hdl.handle.net/10261/42881 |
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dig-irnas-es-10261-428812016-02-17T02:25:48Z Metal availability and bio-accessibility in water-logged soils: in vitro experiments Florido Fernández, M.C. Madrid Díaz, Fernando Madrid, Luis Ajmone-Marsan, F. Presentado al congreso European Geosciences Union. General Assembly, 2010. 2-7 mayo en Viena, Austria. Reducing conditions of submerged soils were simulated in vitro by keeping various soil samples for various times of reaction (between 1 and 15 days) in sealed flasks and N2 atmosphere under an aqueous solution, 0.01 M CaCl2 containing 1 g/l glucose. Surface samples of soils from urban green areas of Ljubljana (LJU), Torino (TOR) and Sevilla, were chosen. In the latter case, two samples of the same soil were included, before (SE-0) and after (SE-8) receiving a composted biosolid (two yearly doses of 80000 kg/ha) obtained from sewage sludge, often used as amendment by the Parks & Gardens Service of the local Government. A fifth soil (QUE) was chosen from the area affected by an accident where 2 million m3 of metal-rich mine tailings were spilled over the Guadiamar river (SW Spain) and its riparian areas. This highly polluted soil was included for comparison. Values of Eh, pH and several metal concentrations were determined in the solution after each time, and metal availability and bio-accessibility were estimated in the soils after treatment. The metals studied were Fe, Mn and some of those called ‘urban’ metals, namely Cu, Pb and Zn. Peer reviewed 2011-11-29T10:35:57Z 2011-11-29T10:35:57Z 2010 comunicación de congreso http://purl.org/coar/resource_type/c_5794 Geophyisical Research Abstracts 12: 3490 (2010) 1029-7006 http://hdl.handle.net/10261/42881 en http://meetingorganizer.copernicus.org/EGU2010/EGU2010-3490.pdf open European Geophysical Society |
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| language |
English |
| description |
Presentado al congreso European Geosciences Union. General Assembly, 2010. 2-7 mayo en Viena, Austria. |
| format |
comunicación de congreso |
| author |
Florido Fernández, M.C. Madrid Díaz, Fernando Madrid, Luis Ajmone-Marsan, F. |
| spellingShingle |
Florido Fernández, M.C. Madrid Díaz, Fernando Madrid, Luis Ajmone-Marsan, F. Metal availability and bio-accessibility in water-logged soils: in vitro experiments |
| author_facet |
Florido Fernández, M.C. Madrid Díaz, Fernando Madrid, Luis Ajmone-Marsan, F. |
| author_sort |
Florido Fernández, M.C. |
| title |
Metal availability and bio-accessibility in water-logged soils: in vitro experiments |
| title_short |
Metal availability and bio-accessibility in water-logged soils: in vitro experiments |
| title_full |
Metal availability and bio-accessibility in water-logged soils: in vitro experiments |
| title_fullStr |
Metal availability and bio-accessibility in water-logged soils: in vitro experiments |
| title_full_unstemmed |
Metal availability and bio-accessibility in water-logged soils: in vitro experiments |
| title_sort |
metal availability and bio-accessibility in water-logged soils: in vitro experiments |
| publisher |
European Geophysical Society |
| publishDate |
2010 |
| url |
http://hdl.handle.net/10261/42881 |
| work_keys_str_mv |
AT floridofernandezmc metalavailabilityandbioaccessibilityinwaterloggedsoilsinvitroexperiments AT madriddiazfernando metalavailabilityandbioaccessibilityinwaterloggedsoilsinvitroexperiments AT madridluis metalavailabilityandbioaccessibilityinwaterloggedsoilsinvitroexperiments AT ajmonemarsanf metalavailabilityandbioaccessibilityinwaterloggedsoilsinvitroexperiments |
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