Research Article
Polymeric Foams as the Matrix of Voltammetric Sensors for the Detection of Catechol, Hydroquinone, and Their Mixtures
Table 2
Analytical data obtained from the calibration curves.
| | | Linear range (mM) | Calibration curves | R2 | syx | LOD (mM) |
| | PMMA_G | | CT | Peak 1 | 0.99–2.68 | y = 1.00·10−4 + 3.92·10−6x | 0.9812 | 3.20·10−7 | 0.47 | | Peak 2 | 0.50–1.72 | y = 6.77·10−5 + 1.99·10−5x | 0.9890 | 1.10·10−6 | 0.29 | | Peak 2 | 1.96–2.91 | y = 8.58·10−5 + 9.39·10−6x | 0.9906 | 3.44·10−7 | 0.53 |
| | HQ | Peak 1 | 1.23–3.15 | y = 9.77·10−5 + 8.73·10−7x | 0.9786 | 8.85·10−8 | 0.62 | | Peak 2 | 0.50–2.44 | y = 7.86·10−5 + 6.39·10−6x | 0.9982 | 1.85·10−7 | 0.13 |
| | PMMA_F_G | | CT | Peak 1 | 0.15–0.45 | y = 2.94·10−6 + 3.44·10−7x | 0.9931 | 3.09·10−9 | 0.06 | | Peak 1 | 0.45–1.67 | y = 3.04·10−6 + 1.19·10−7x | 0.9921 | 4.30·10−9 | 0.17 |
| | HQ | Peak 1 | 0.37–1.11 | y = 3.09·10−6 + 1.59·10−7x | 0.9941 | 3.26·10−9 | 0.12 | | Peak 2 | 0.37–2.68 | y = 2.95·10−6 + 1.64·10−7x | 0.9991 | 3.55·10−9 | 0.09 |
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