Research Article
A Novel Carbon Paste Electrode Modified with N1-Hydroxy-N1,N2-Diphenylbenzamidine for the Electrochemical Determination of Cadmium(II) in Environmental Samples
Figure 4
SEM images of (a) unmodified CPE and (b) HDPBA‒CPE. Voltage: 20 keV, magnification: 1000×.
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(b) |