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- W2381721066 abstract "The pollution of heavy metals from coal mine spoils piled perennially in diggings soil in Huainan where have been exploited for more than 100 years was studied. Soil samples were collected from 7 sections near spoil heaps from different coal mine region with a variety of mining history. Heavy metals(Cu、Ni、Pb、Zn、Sn、Cr、Co)in samples were analyzed by IRIS Intrepid Inductively coupled plasma-atomic emission spectrometry(ICP-AES) instrument in Institute of Soil Science, CAS, and the certified sample(LKSD-1) from Canada was used for analytical quality control and its results are valid with respect to accuracy and precision. The contribution of heavy metals in soil was mainly caused by the weathering and leaching of coal mining spoils, which show that the soil near heaps were polluted and the content of its metals was also accumulated. The difference of long-term accumulation and mobility of individual metal was clearly illustrated through the gradually reduce trend of their concentration in soil samples from mine districts with different mining history from 100 years to 25 years. Cu、Co、Zn、Ni、Pb appeared stronger mobile from spoils in the research mine area and their contents in several soil sections were more than the first level of national pollution standard of soil, but all metals were lower than the second, Environmental Protection Agency of China. It means that the mobility of heavy metals from spoils transferring to soil is a slow procedure." @default.
- W2381721066 created "2016-06-24" @default.
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- W2381721066 date "2004-01-01" @default.
- W2381721066 modified "2023-09-25" @default.
- W2381721066 title "The impact of heavy metals from coal mine-spoil heaps on soil" @default.
- W2381721066 hasPublicationYear "2004" @default.
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