郑州市环境中重金属Pb,Cd的污染分析
Analysis of heavy metal Pb,Cd pollution in theenvironment of Zhengzhou city
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摘要: 采集郑州市区和市郊环境中的土壤和树叶样品,用石墨炉原子吸收法测定其中重金属Pb和Cd的含量.结果表明,被分析样品中,印染厂下游河底土壤样品中、文化路和农业路附近的树叶样品中的Pb和Cd含量均较高;清洗过的树叶样品中Pb和Cd含量小于相应的未清洗样品.这表明郑州市区环境受到了不同程度的重金属Pb和Cd的污染.
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关键词:
- 重金属铅 /
- 重金属镉 /
- 微波消解 /
- 石墨炉原子吸收光谱法 /
- 污染
Abstract: The samples of soil,leaves were selected as the research objects.The content of Pb and Cd in the different samples was determined by graphite furnace atomic absorption spectrometry.The results showed that the Pb and Cd content in dyeing mill downstream bed soil samples and the leaves of near Wenhua and Agricultural roads was higher.The content of heavy metal Pb and Cd in washed leaves samples was less than the corresponding original sample.This indicated that Zhengzhou city environment has been polluted by different levels of heavy metals Pb and Cd. -
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