Heavy metals in sandy sediments of the Rías Baixas (NW Spain).
作者： Rubén Villares , Xoán Puente , Alejo Carballeira
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摘要: We studied the concentrations of certain heavy metals in total and labile fractions sandy sediments from four embayments situated on northwestern coast Spain. In order to compensate for effects heterogeneity texture different samples, data were normalized. Organic carbon was most suitable normalizing factor copper, lead zinc fraction copper fraction, iron other both fractions. Enrichment these may have been caused by sewage contamination. The percentages extractability chromiun remarkable.
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