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Occurrence of Fluoride in Arsenic-Rich Surface Waters: A Case Study in the Pampa Plain, Argentina


High levels of fluoride in freshwater ecosystems are harmful for humans and animals, particularly, aquatic biota. In this paper, the concentrations of fluoride in arsenic-rich lotic ecosystems of the Pampa Plain, Argentina, were recorded. The relationship of fluoride with the concentration of arsenic was explored. Our results show that fluoride in these freshwater ecosystems ranged from 0.15 to 1.65 mg L−1. Concentrations of fluoride were highly and significantly (r = 0.71; p = 0.001) correlated with arsenic.

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Authors are indebted to the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and the Universidad de Buenos Aires (UBA) for finantial support.

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Correspondence to Alicia Fernández Cirelli.

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Rosso, J.J., Puntoriero, M.L., Troncoso, J.J. et al. Occurrence of Fluoride in Arsenic-Rich Surface Waters: A Case Study in the Pampa Plain, Argentina. Bull Environ Contam Toxicol 87, 409 (2011).

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  • Fluoride
  • Surface waters
  • Arsenic
  • Argentina