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Articles | Volume 6, issue 1
Articles | Volume 6, issue 1
https://doi.org/10.5194/se-6-337-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/se-6-337-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 6, issue 1
Research article
 | 
17 Mar 2015
Research article |  | 17 Mar 2015

Adsorption, desorption and fractionation of As(V) on untreated and mussel shell-treated granitic material

N. Seco-Reigosa, L. Cutillas-Barreiro, J. C. Nóvoa-Muñoz, M. Arias-Estévez, E. Álvarez-Rodríguez, M. J. Fernández-Sanjurjo, and A. Núñez-Delgado

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Short summary
The granitic material presented lower As(V) adsorption capacity than the mussel shell studied. Fine shell showed moderate As(V) retention (higher than coarse shell). The amendment of 12 and 24 t ha-1 fine shell on the granitic material increased As(V) retention. Most of the adsorbed As(V) did not desorb in a wide range of pH. The adsorbed As(V) was retained mainly on the soluble fraction, with weak bindings, also facilitating release and transfer to water, plants and the food chain.
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