Assessing the concentration and potential dietary risk of heavy metals in vegetables at a Pb/Zn mine site, China

被引：0
|
作者：
Jun Dong
Qing-wei Yang
Li-na Sun
Qing Zeng
Shou-jiang Liu
Jin Pan
Xue-lian Liu
机构：
[1] University of Electronic Science and Technology of China,Zhongshan Institute
[2] Chongqing Jiaotong University,Department of Resource and Environment
[3] China West Normal University,Land and Resources College
来源：
Environmental Earth Sciences | 2011年 / 64卷
关键词：
Heavy metal; Vegetable; Potential dietary risk; Guangdong; China;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Cd, Pb, Cu and Zn were measured in vegetables in Xiguadi village around Lechang Pb/Zn mine in Guangdong province, South China. The daily intake (DI) of these metals from vegetables by local people was also determined. The respective Cd, Pb, Cu and Zn concentration was 0.05–0.90 (mean 0.25), 1.04–5.82 (2.64), 0.53–7.07 (2.00) and 3.87–25.20 (11.68) mg kg−1, of which Cd concentration in all vegetables exceeded the safe limit given by FAO/WHO. The DI was found to be 49.76, 475.56, 360.36 and 2,102.63 μg, respectively. The present results indicated local mining activity caused vegetable heavy metal contamination and Cd concentration exceeding the stipulated standards for all vegetables indicating potentially serious dietary risks for local people.
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页码：1317 / 1321
页数：4
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