Leaching characteristics of heavy metals by TCLP method in the urban soils of Quanzhou city

被引：2
|
作者：
Yu Ruilian [1 ]
Mao Pingping [1 ]
Hu Gongren [1 ]
机构：
[1] Huaqiao Univ, Dept Environm Sci & Engn, Xiamen 361021, Peoples R China
来源：
PROGRESS IN ENVIRONMENTAL SCIENCE AND ENGINEERING (ICEESD2011), PTS 1-5 | 2012年 / 356-360卷
关键词：
heavy metal; urban soil; TCLP; Quanzhou city; EXTRACTION;
D O I：
10.4028/www.scientific.net/AMR.356-360.647
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The available concentrations of heavy metals in the urban soils from different functional areas of Quanzhou city were determined using the toxicity characteristic leaching procedure (TCLP), developed by the United States Environmental Protection Agency (USEPA). The available concentrations of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Cd, Sn, Sb and Pb were 0.02-0.30, 0.02-0.20, 0.02-0.60, 14-500, 1.30-351, 0.10-2.40, 0.14-8.60, 0.30-50, 1.90-180, 0.06-0.60, 0.02-0.86, 0.02-8.0, 0.02-8.0 and 0.38-102 mg/kg, respectively. The extractable proportions of heavy metals were relatively low compared to their total concentrations, with the order of the extracted ratios of Cu (18.0%) > Mn (15.4%) > Ni (12.2%) > Sb (11.3%) > Zn (11.0%) > Cd (9.2%) > Co (8.9%) > Sn (3.6%) > Pb (3.1%) > As (1.9%) > Cr (0.8%) > Fe (0.2%) > V (0.1%) > Ti (0.0%).
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页码：647 / 650
页数：4
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