Evaluation of heavy metal availability in polluted soils by two sequential extraction procedures using factor analysis

被引：382

作者：

Maiz, I ^{[1
]}

Arambarri, I ^{[1
]}

Garcia, R ^{[1
]}

Millán, E ^{[1
]}

机构：

[1] Univ Basque Country, Fac Quim, Dept Quim Aplicada, E-20080 San Sebastian, Spain

来源：

ENVIRONMENTAL POLLUTION | 2000年 / 110卷 / 01期

关键词：

heavy metals; polluted soils; sequential extraction; metal lability; factor analysis;

D O I：

10.1016/S0269-7491(99)00287-0

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Superficial soil and grass samples from 13 locations affected by several anthropogenic sources (mining, metal factory, traffic emissions) were collected in Gipuzkoa, northern Spain. The more labile metal fractions, the mobile (extracted by 0.01 mol 1(-1) CaCl2) and the mobilisable (extracted by 0.005 mol 1(-1) DTPA), were evaluated using a short sequential procedure with two steps. From the results a short-medium term potential lability of Cd, Cu, Zn and Pb can be concluded. The labile levels were compared with the results obtained using the Tessier sequential procedure. Factor analysis was used to check the associations between the total metal contents in soil and grass, as well as between the levels of the different sequential fractions and the total content in grass. Cd, Cu and Zn labile levels were related to total metal grass contents indicating its suitability for the availability studies in polluted soil-plant system. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：3 / 9

页数：7

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