Table 4. Determination of Calibration Parameters for the Simultaneous Detection of Dihydroxybenzene Isomers in Ternary Mixtures at PdDAN/GCE in 5.0 mM HClO₄.

analyte	CC	HQ	RC
EPa (V)	0.190	0.083	0.572
LOD (nM)	0.272	0.233	0.52
LOQ (nM)	0.908	0.778	1.74
LDR (nM)	100–1000	100–1000	100–1000
R	0.99	0.99	0.99