Controles hidrogeoquímicos sobre la concentración de arsénico en el acuífero somero de la región pampeana.

Contenido principal del artículo

Sebastian Dietrich
Oscar Roa
María Soledad Gualde
Pablo Weinzettel

Resumen

Se muestran los resultados de una perforación con extracción de testigos continuos destinada al estudio de la hidrogeoquímica del arsénico (As) en la zona no saturada y acuífero somero. La misma se realizó en la ciudad de Azul, provincia de Buenos Aires y tuvo como objetivo al acuífero pampeano. Sobre los testigos se realizaron análisis texturales y mineralógicos, extracciones secuenciales y se obtuvieron muestras del agua poral, las que se analizaron químicamente. Los resultados indican que el As se encuentra mayormente adsorbido sobre los óxidos de hierro amorfos y, a su vez, guardan relación con el As presente en el agua poral. Existe un aumento de las concentraciones en la zona de interacción entre la zona no saturada y el acuífero.

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Dietrich, S., Roa, O., Gualde, M. S., & Weinzettel, P. (2022). Controles hidrogeoquímicos sobre la concentración de arsénico en el acuífero somero de la región pampeana. Revista De La Asociación Geológica Argentina, 79(3), 498-515. Recuperado a partir de https://revista.geologica.org.ar/raga/article/view/1589
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