光谱学与光谱分析 |
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Determination of Heavy Metal by AAS in Railway Rock-Cut Slope Soil |
XIAO Yu-hong1, AI Ying-wei1*, CHEN Li-ping2, LI Wei3, CHEN Zhao-qiong1, FANG Chen1, LI De-hua4 |
1. Key Laboratory of Bio-Resources and Eco-Environment (Ministry of Education), College of Life Sciences, Sichuan University, Chengdu 610064, China 2. Sichuan Shuijingfang Co., Ltd., Chengdu 610036, China 3. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China 4. College of Physics and Electronic Engineering, Sichuan Normal University, Chengdu 610066, China |
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Abstract Heavy metal contents in railway rock-cut slope soil have directly influenced ecosystem on rock-cut slope and eco-environment safety of farmland nearby. In the study heavy metal Pb, Cd, Zn, Cu and Mn was determined by AAS in railway rock-cut slope and control soil samples on Cheng-Da Railway crossing purple soil in Sichuan province. The results showed that Pb and Mn were significantly higher in rock-cut soil than in control soil, that is 29.7%~35.4%, while Cd, Zn and Cu were similar in both soils.
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Received: 2012-03-09
Accepted: 2012-05-30
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Corresponding Authors:
AI Ying-wei
E-mail: aiyw99@sohu.com
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