Research Article

Electrochemical Characterization and Determination of Phenol and Chlorophenols by Voltammetry at Single Wall Carbon Nanotube/Poly(3,4-ethylenedioxythiophene) Modified Screen Printed Carbon Electrode

Table 3

Response characteristics of the calibration graphs for the different phenolic compounds at SPCE/SWCNTs/PEDOT electrochemical sensor.

Phenolic compound (A) = (M) + Linear range (M)Detection limit (M)
Slope ()Intercept ()

Phenol0.1960.3890.6–1000.380.999
0.0461.699200–6000.996

4-Chlorophenol0.3391.2830.8–1000.280.996
0.05436.920200–5000.998

2,4-Dichlorophenol0.3411.6810.5–600.160.998
0.15611.80450–3000.998

2,4,6-Trichlorophenol0.3111.6680.4–1000.160.998
0.1485.378220–5000.990