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Morphology and Solubility Products of Calcium Arsenates Found in Arsenic Contaminated Soils in an Abandoned Smelter

dc.contributor.authorMartínez Villegas, Nadia Valentina
dc.contributor.authorMartínez Salazar, Jessica
dc.contributor.authorFuentes Rivas, Rosa Maria
dc.contributor.authorAvalos Borja, Miguel
dc.contributor.authorVillalobos, Mario
dc.contributor.editorElsevier
dc.date.accessioned2018-12-13T21:09:43Z
dc.date.available2018-12-13T21:09:43Z
dc.date.issued2013
dc.identifier.citationNadia Martínez-Villegas, Jessica Martínez-Salazar, Rosa M. Fuentes-Rivas, Miguel Avalos-Borja, Mario Villalobos, Morphology and Solubility Products of Calcium Arsenates Found in Arsenic Contaminated Soils in an Abandoned Smelter, Procedia Earth and Planetary Science, Volume 7, 2013, Pages 562-565.
dc.identifier.urihttp://hdl.handle.net/11627/4839
dc.description.abstract"The dissolution of calcium arsenates in residues released on the premises of an inactive smelter has caused high levels of arsenic pollution in the adjacent down-gradient 6 km of a perched aquifer, reaching up to 158 mg/L of dissolved arsenic, and releasing a total of 7.5 tons of arsenic in a year. We characterized the morphology of the calcium arsenates responsible of this pollution and determined their thermodynamic solubility products by (1) following the dissolution of arsenic from soil samples in batch reactors until equilibrium was reached and (2) modeling dissolution data using the geochemical code PHREEQC. Solubility product calculations took into account soil solution chemistry. Our results provide critical thermodynamic data to better understand interactions between water and arsenic containing minerals in the environment."
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectArsenic dissolution
dc.subjectThermodynamic solubility product
dc.subjectArsenic dissolution kinetics
dc.subject.classificationGEOLOGÍA
dc.titleMorphology and Solubility Products of Calcium Arsenates Found in Arsenic Contaminated Soils in an Abandoned Smelter
dc.typearticle
dc.identifier.doihttps://doi.org/10.1016/j.proeps.2013.03.184
dc.rights.accessAcceso Abierto


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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
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