Trace Metal Fractionation by the Sequential Extraction Method in Sediments from the Lis River (Portugal)

被引：15

作者：

Vieira, Judite S. ^{[1
,2
]}

Botelho, Cidalia M. S. ^{[2
]}

Boaventura, Rui A. R. ^{[2
]}

机构：

[1] Polytech Inst Leiria, Sch Technol & Management, Dept Environm Engn, P-2411901 Leiria, Portugal

[2] Univ Porto, Fac Engn, Dept Chem Engn, P-4100 Oporto, Portugal

来源：

SOIL & SEDIMENT CONTAMINATION | 2009年 / 18卷 / 01期

关键词：

River sediments; trace metal distribution; BCR sequential extraction; Lis river; HEAVY-METALS; MARINE-SEDIMENTS; SPECIATION; BCR; CERTIFICATION; IMPROVEMENT; POLLUTION; WATER; GULF; LEAD;

D O I：

10.1080/15320380802304359

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The extractable contents of Zn, Pb, Cu, Cr, Mn, Ni, Fe and Al were evaluated in sediments from the Lis River (Portugal) using the three- step sequential extraction procedure described by Community Bureau of Reference (BCR, now the Standards, Measurement and Testing Programme) of the European Union. The distribution of trace metals among the exchangeable, water and acid soluble, reducible, oxidizable and residual fractions was determined. The highest metal concentrations were observed in samples collected at the most polluted river sites (animal husbandry, domestic, industrial and agricultural wastes). Pb, Cu, Cr, Ni, Fe and Al were found mainly associated with the residual and organic fractions. High concentrations of Zn and Mn were found in the exchangeable/acid soluble fraction.

引用

页码：102 / 119

页数：18

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