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This paper presents an electrochemical microsensor based on ultramicroelectrode array modified with copper nanoparticles to perform trace nitrate detection in potable water. The microsensor is fabricated with standard micromachining technology. As the working-electrode, an ultramicroelectrode array constructed of 421 disk-shaped ultramicroelectrodes provides enhanced electrochemical performance for...
Soil samples of 0-15cm from 9 sampling sites including different functional zones and different greening types of Shanghai, China were collected and analyzed. The results showed the average concentration of Cu, Pb, Zn and Cd in soil of shanghai were up to 42.33,169.58,49.06, and 0.2460mg/kg, respectively, which were much higher than their natural background values. Among the functional zones and the...
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