Speciation of heavy metals in estuarine sediments in the northeast of Brazil

被引：0
|
作者：
Fátima Maria Miranda Brayner
Hélida Karla Philippini da Silva
Ana Maria de Freitas Barbosa
机构：
[1] Cidade Universitária,Fundação Instituto) Tecnológico do Estado de Pernambuco
来源：
Environmental Science and Pollution Research | 2001年 / 8卷
关键词：
Aquatic environments; Brazil; chromium; Cr; Fe; heavy metals; iron; manganese; metals; Mn; sediments, estuarine; speciation of metals; zinc; Zn;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An analytical procedure involving a three-step sequential extraction was used to determine the chemical association of heavy metals (Zn, Cr, Mn and Fe) with the major phases (exchangable reducible and oxidizable) in samples from a fishpond of estuarine sediments. The pond is located in the Capibaribe River estuary, within the boundaries of the city of Recife, in the State of Pernambuco in the northeast of Brazil. The total metal content was determined as well. All metals were extracted from the residual fraction at a percentage greater than 50%.
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页码：269 / 274
页数：5
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