HEAVY-METALS SPECIATION IN SEDIMENT SAMPLES OF WATER STREAM AFFECTED BY INDUSTRIAL DRAIN

被引：8

作者：

ALSHUKRY, R ^{[1
]}

SERPAUD, B ^{[1
]}

MATEJKA, G ^{[1
]}

CAULLET, C ^{[1
]}

机构：

[1] FAC SCI LIMOGES,GEN CHIM & TRAITEMENT EAUX LAB,123 AVE ALBERT THOMAS,F-87100 LIMOGES,FRANCE

来源：

ENVIRONMENTAL TECHNOLOGY | 1992年 / 13卷 / 02期

关键词：

HEAVY METALS; SPECIATION; SEDIMENTS; INDUSTRIAL DISCHARGE;

D O I：

10.1080/09593339209385137

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Total mineralization by concentrated nitric and perchloric acids has been done for several samples of superficial sediments collected from a small water current under the influence of an industrial discharge. The concentrations of Cu, Cd, Ni, Zn, Pb and Fe have been calculated in (mg/g dry sediment) after their polarographic determination in solutions. The distribution of these metals in the fractions of sediments (i.e. exchangeable, bonded to carbonates, bonded to Fe-Mn oxides, bonded to organic matter and the residual, according to TESSIER classification) has also been investigated, the order of pollution for two of these samples was: Sample N-degrees-7 (700m after the discharge); Ni > Cd > Cu > Zn > Pb. Sample N-degrees-4 (1900m after the discharge); Cd > Ni > Zn > Cu > Pb.

引用

页码：129 / 140

页数：12

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