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http://hdl.handle.net/10261/123963
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dc.contributor.author | Gómez-González, Miguel A. | es_ES |
dc.contributor.author | Voegelin, Andreas | es_ES |
dc.contributor.author | García-Guinea, Javier | es_ES |
dc.contributor.author | Bolea, Eduardo | es_ES |
dc.contributor.author | Laborda, Francisco | es_ES |
dc.contributor.author | Garrido, Fernando | es_ES |
dc.date.issued | 2015-10-23 | - |
dc.identifier.citation | Chemosphere 144: 1123-1131 (2016) | es_ES |
dc.identifier.issn | 0045-6535 | - |
dc.identifier.uri | http://hdl.handle.net/10261/123963 | - |
dc.description | Received 2 June 2015, Revised 2 September 2015, Accepted 24 September 2015, Available online 23 October 2015 | es_ES |
dc.description.abstract | Scorodite-rich wastes left as a legacy of mining and smelting operations pose a threat to environmental health. Colloids formed by the weathering of processing wastes may control the release of arsenic (As) into surface waters. At a former mine site in Madrid (Spain), we investigated the mobilization of colloidal As by surface runoff from weathered processing wastes and from sediments in the bed of a draining creek and a downstream sedimentation-pond. Colloids mobilized by surface runoff during simulated rain events were characterized for their composition, structure and mode of As uptake using asymmetric flow field-flow fractionation coupled to inductively plasma mass spectrometry (AF4-ICP-MS) and X-ray absorption spectroscopy (XAS) at the As and Fe K-edges. Colloidal scorodite mobilized in surface runoff from the waste pile is acting as a mobile As carrier. In surface runoff from the river bed and the sedimentation pond, ferrihydrite was identified as the dominant As-bearing colloidal phase. The results from this study suggest that mobilization of As-bearing colloids by surface runoff may play an important role in the dispersion of As from metallurgical wastes deposited above ground and needs to be considered in risk assessment. | es_ES |
dc.description.sponsorship | The Spanish Ministry of Economy and Competitiveness (research project CGL 2010-17434) supported this study. | es_ES |
dc.description.sponsorship | A. Gomez-Gonzalez was supported by the Ph.D. Spanish FPI fellow-ship (BES-2011-046461) and by graduate students (EEBB-I-14-08063) programs. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation.isversionof | Postprint | es_ES |
dc.rights | openAccess | en_EN |
dc.subject | AF4-ICP-MS | es_ES |
dc.subject | Arsenic | es_ES |
dc.subject | Colloids | es_ES |
dc.subject | Rainfall simulation | es_ES |
dc.subject | Runoff | es_ES |
dc.subject | XAS | es_ES |
dc.title | Colloidal mobilization of arsenic from mining-affected soils by surface runoff | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1016/j.chemosphere.2015.09.090 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1016/j.chemosphere.2015.09.090 | es_ES |
dc.identifier.e-issn | 1879-1298 | - |
dc.embargo.terms | 2016-10-23 | es_ES |
dc.rights.license | http://creativecommons.org/licenses/by-nc-nd/4.0/ | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | es_ES |
dc.relation.csic | Sí | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
Aparece en las colecciones: | (MNCN) Artículos |
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chemosphere 144 Febr2016 1123–1131 POSTPRINT.pdf | 4,99 MB | Adobe PDF | Visualizar/Abrir | |
supplem chemosphere 144 Febr2016 POSTPRINT.pdf | 1,25 MB | Adobe PDF | Visualizar/Abrir |
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