A PPy-Chi/CoFe2O4 nanoparticle composite layer was prepared using an electrodeposition method
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The composite layer was used to detect the arsenic in water, and the sensor limitation was about 0.001 ppm.
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The composite layer was tested using atomic-force microscopy before and after the detection of arsenic.
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The PPy-Chi/CoFe2O4 nanoparticle composite layer had adsorbed the As(V) in aqueous solution.
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