| 光谱学与光谱分析 |
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| Determination of Heavy Metals in Dominant Plant Species in Vanadium/Titanium Mine Area by Microwave Digestion-ICP-AES |
| YANG Gang1, YUAN Da-gang1, ZHONG Gui-jiang2, WU Jun1* |
1. College of Resources and Environment, Sichuan Agricultural University, Chengdu 611130, China
2. Center for Tests and Analyses, Nuclear Geology Bureau of Sichuan Province, Chengdu 610021, China |
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Abstract Ten kinds of dominant plants in Vanadium/Titanium mine area were collected, the contents of heavy metals including Pb, Zn, Cu, Cr, Cd and Ti of which aboveground and underground parts were determined by ICP-AES using microwave digestion, respectively. All samples of the plants were digested with HNO3-H2O2 system. The relative standard deviation was less than 5% for all the elements，and the recoveries were 92.90%～103.85% by adding standard recovery experiment. This method was simple，sensitive and precise and can perform simultaneous multi-elements determination compared with conventional method of the plants determination，which could satisfy the sample examination request and provide scientific rationale for determining inorganic elements of plants.
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Received: 2011-10-20
Accepted: 2012-01-30
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Corresponding Authors:
WU Jun
E-mail: wuj1962@163.com
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