A Highly Sensitive Electrochemical Sensor Based on Electrocatalytic Reduction Effect of Cu<sup>2+</sup> on Trace Determination of Malathion in Soil and Other Complex Matrices

<div>SW-CS voltammograms (a) and the respective linear calibration plot of the cathodic peak current (<i>i</i><sub><i>p,c</i></sub>) versus malathion concentration at −0.42 V (b) of malathion and Cu<sup>2+</sup> at pH 2 of peak 1 at HMDE versus Ag/AgCl electrode. Deposition and staring potential −0.2 V, deposition time 360 s, scan rate = 100 mV/s, pulse amplitude = 50 mV, and 60 Hz frequency.</div>

International Journal of Electrochemistry

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Figure 5

Figure 5: A Highly Sensitive Electrochemical Sensor Based on Electrocatalytic Reduction Effect of Cu<sup>2+</sup> on Trace Determination of Malathion in Soil and Other Complex Matrices 

Figure 5 | A Highly Sensitive Electrochemical Sensor Based on Electrocatalytic Reduction Effect of Cu2+ on Trace Determination of Malathion in Soil and Other Complex Matrices 