Figure 1. Effect of pH on the electrode response (pH 6.0–8.0: phosphate buffer (50 mM), pH 8.5–9.0: Tris-HCl buffer (50 mM), 35°C).
Figure 2. Effect of temperature on the electrode response (in phosphate buffer, 50 mM, pH 8.0).
Figure 3 (a) Calibration graph for phenol (in phosphate buffer; 50 mM, pH 8.0, at 35°C.); (b) Linear range for phenol determination.
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