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Nucleus
versión impresa ISSN 0864-084X
Resumen
DIAZ RIZO, Oscar et al. XRF analysis of sediments from Nuevitas Bay (Cuba): assessment of current heavy metal contamination. Nucleus [online]. 2014, n.55, pp. 11-14. ISSN 0864-084X.
Concentrations of chromium, nickel, copper, zinc and lead in surface sediments from six stations located in Nuevitas Bay (Cuba) were estimated by X-ray fluorescence analysis. The Cr content in sediments shows a strong variation across the studied stations (89-513 ), in contrast with the other elements studied. The application of modified degree of contamination (
) classifies as moderate the contamination of Nuevitas Bay. The comparison with Sediment Quality Guidelines (SQGs) and toxicity mean quotients shows that 100 % of the sediments are associated with the occasional presence of possible adverse effects to human health
Palabras clave : sediments; Cuba; pollution control; X-ray fluorescence analysis; heavy metals.