Vol. 20 No. 1 (2018)
Original articles

Quantification of metals in surface sediments of the interior bay, Lake Titicaca (Peru)

Edmundo Moreno Terrazas
Universidad Nacional del Altiplano de Puno Perú, Facultad de Ciencias Biológicas
George Argota Pérez
Universidad Nacional del Altiplano de Puno Perú, Facultad de Ciencias Biológicas
René Alfaro Tapia
Universidad Nacional del Altiplano de Puno Perú, Facultad de Ciencias Biológicas
Martha Aparicio Saavedra
Universidad Nacional del Altiplano de Puno Perú, Facultad de Ciencias Biológicas
Sabino Atencio Limachi
Universidad Nacional del Altiplano de Puno Perú, Facultad de Ciencias Biológicas
Gilmar Goyzueta Camacho
Universidad Nacional del Altiplano de Puno Perú, Facultad de Ciencias Biológicas

Published 2018-01-08

Keywords

  • abiotic matrix sedimentary,
  • metals,
  • toxicity,
  • aquatic ecosystem,
  • lake

How to Cite

Moreno Terrazas, E. ., Argota Pérez, G. ., Alfaro Tapia, R. ., Aparicio Saavedra, M. ., Atencio Limachi, S. ., & Goyzueta Camacho, G. . (2018). Quantification of metals in surface sediments of the interior bay, Lake Titicaca (Peru). Revista De Investigaciones Altoandinas - Journal of High Andean Research, 20(1), 9-18. https://doi.org/10.18271/ria.2018.326

Abstract

In aquatic ecosystems, sediments are reservoirs of heavy metals when their waters are exposed. The purpose of the study was to quantify metals in surface sediments of the interior bay of Puno, Lake Titicaca, Peru. From january to november 2016 of Cu, Zn, Pb, Cd, As and Hg concentrations were analyzed in the surface sediments of six selected environmental sampling stations by non-probabilistic sampling for convenience. The metals were analyzed by acid digestion where their quantification was by inductively coupled plasma spectrometry with axial view (ICP-AES). When comparing the results with the selected environmental standard, all the elements had concentrations in the recommended ranges, although statistically significant differences existed between the stations (p<0,05). The As and Hg, presented similarities in their values (0,0001 mg.L-1) between the stations. As and Hg, presented similarities in their values between the stations. It was concluded that, the surface sediments of the inner bay of Puno do not present risk due to exposure to total metals, since their concentrations were in the range of allowable values.

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