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Seasonal and geographical variability in some trace elements of Pacific Oysters (Crassostrea gigas) cultured in two different bays of Northern Chile

  • Applications of Radioanalytical Methods to Geological and Environmental Science
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Abstract

The present study contributes preliminary data concerning the concentrations of eleven trace elements contained in Pacific Oysters (Crassostrea gigas) cultured in two different bays of Northern Chile, where heavy-metal pollution is already recognized as a problem. The trace element contents of this moullusc were studied at monthly intervals for 12 months (September 1987–August 1988). Copper and cadmium content was determined using radiochemical neutron activation analysis. Instrumental neutron activation analysis was used for the analysis of As, Br, Na, Se, Cr, Ag, Fe, Zn and Co. Various Standard Reference Materials were used to determine the accuracy of both methods. Significant differences were found comparing the contents of copper, cadmium and other elements during different seasons and in different locations of capture.

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Authors and Affiliations

  1. Activation Analysis Laboratory, “La Reina” Nuclear Centre, Chilean Nuclear Energy Commission, P.O. Box 188 D, Santiago, Chile

    N. Gras, M. Thieck, L. Muñoz & S. Hurtado

Authors
  1. N. Gras
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  2. M. Thieck
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  3. L. Muñoz
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  4. S. Hurtado
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Gras, N., Thieck, M., Muñoz, L. et al. Seasonal and geographical variability in some trace elements of Pacific Oysters (Crassostrea gigas) cultured in two different bays of Northern Chile. Journal of Radioanalytical and Nuclear Chemistry, Articles 161, 135–146 (1992). https://doi.org/10.1007/BF02034887

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  • DOI: https://doi.org/10.1007/BF02034887

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