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With the exception of cadmium, the concentration of chromium, nickel and copper in leachates of the artificial soils have got to a stable level by the end of the experiment. The finial concentration of copper in leachates of artificial soils ranged from 27.1 µg L-1 to 127.5 µg L-1, which was below the European threshold value for drinking water, (1000µg L-1). While, finial nickel and chromium concentration in leachates surpassed the European threshold values for drinking water. Õâ¶Î»°±íÊöÉÏÓÐûÓдíÎó£¬ÊDz»ÊÇÌ«ÖйúʽӢÓïÁË£¿¸ÃÔõôÐ޸ģ¬Ð»Ð»£¡ |
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