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. 2021 Mar 17;12(3):312. doi: 10.3390/mi12030312

Table 1.

Linear regression equation of anodic peak potentials Epa and pH of the phenolic compounds with their slopes respectively reported for cyclic voltammetry method employed in determining the pH on the electrochemical behavior of the phenolic compounds at bare CPE and MCPE.

Phenolic Compounds Regression Equation of Anodic Peak Potentials Epa and the pH R2 Value Slope of Epa/pH
mV/pH		 Nernstian Value
mV/pH
Sinapic acid (CPE) Epa (V) = 0.7138–0.0398 pH 0.9924 40 59
Sinapic acid (MCPE) Epa (V) = 0.6953–0.0338 pH 0.996 34 59
Syringic acid (CPE) Epa (V) = 0.8883–0.0424 pH 0.9590 42 59
Syringic acid (MCPE) Epa (V) = 1.2148–0.0366 pH 0.9700 37 59
Rutin (CPE) Epa (V) = 0.6621–0.0486 pH 0.9939 49 59
Rutin (MCPE) Epa (V) = 0.5787–0.0255 pH 0.9833 26 59