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DIGITAL.CSIC
Article . 2010 . Peer-reviewed
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Evaluación de la adsorción de microelementos por suelos aluviales I. Manganeso

Authors: Abadía Bayona, Javier; Montañés García, Luis; Eleizalde Luzárraga, María Benigna;

Evaluación de la adsorción de microelementos por suelos aluviales I. Manganeso

Abstract

[ES] Se estudia la adsorción de Mn por suelos aluviales de las principales cuencas del Valle Medio del Ebro. Los datos experimentales se han procesado según diversas isotermas considerando o no el efecto de los iones desorbidos. Parece existir en todos los casos una relación lineal compleja, que revela la actuación de varios mecanismos de adsorción. La correlación de las constantes características de cada uno de estos procesos con los constituyentes del suelo indica la posible relación del primer proceso que se presenta con la adsorción física y el intercambio iónico y del segundo con el intercambio iónico exclusivamente. A concentraciones mayores de Mn en solución, esta circunstancia deja de cumplirse y parece que intervienen fenómenos de otro tipo.

[EN] The manganese adsorption by alluvial Ebro Medium Valley soils is studied. So, the experimental data is processed by several equations taking into account or not effect of desorbed ions. A complex lineal relationship is found for all soils and isotherms used, wich reveals the presence of several adsorption mechanisms at different manganese concentrations added. The correlation between the adsorption maxima values and the different soil constituents shows that at low Mn concentration the process is involved by physical and ion-exchange adsorption mechanisms, while at medium Mn concentration the process is only of ion exchange nature. Finaly, another type of phenomena becomes to act when the ion Mn attain the higest concentration used.

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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