Polymeric Foams as the Matrix of Voltammetric Sensors for the Detection of Catechol, Hydroquinone, and Their Mixtures

Table 3

Analytical data obtained from the calibration curves of mixtures CT/HQ.

	Linear range (mM)	Regression curve	R^2	syx	LOD (mM)
PMMA_G
CT	0.61–1.92	y = 9.73·10^−5 + 5.38·10^−6x	0.9806	3.32·10^−7	0.34
PMMA_F_G
CT	0.37–1.69	y = 3.28·10^−6 + 7.82·10^−8x	0.9804	4.67·10^−9	0.27