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Co nanoparticles and nitrogen-doped carbon nanotubes (NCNTs)were prepared by calcination of metal-organic material ZIF-67 in a reductive atmosphere of H2 and Ar gas,and modified on the surface of glassy carbon electrod(GCE)for the detection of bisphenol A(BPA). The Co/NCNTs composites exhibited superior electrocatalytic performance for BPA oxidation owing to the synergistic effect between chemical composition and the specific structure of the Co/NCNTs composites. In optimal conditions,Co/NCNTs/GCE exhibited a linear range of 0.01-20 μµmol/L for BPA(R2=0.998). The prepared electrode was employed to detect the content of BPA in real samples with the recoveries of 98.4%-104.6%. © 2023, Youke Publishing Co.,Ltd. All rights reserved. 相似文献
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