Table 1 Carbon paste composition’s impact on electrode performance.
Electrode No. | Plasticizer (100 mg) | Schiff base Ionophore, mg | Graphite, mg | Slope ± SD*, mV decade−1 | Linear range, mol L−1 | R2 |
|---|---|---|---|---|---|---|
1 | TCP | 0 | 250 | 18.14 ± 2.33 | 1 × 10−7- 1 × 10−1 | 0.8086 |
2 | TCP | 5 | 250 | 28.50 ± 1.12 | 1 × 10−5- 1 × 10−1 | 0.9975 |
3 | TCP | 10 | 250 | 29.57 ± 0.80 | 1 × 10−7- 1 × 10−1 | 0.9999 |
4 | TCP | 15 | 250 | 29.50 ± 1.50 | 1 × 10−4 −1 × 10−1 | 0.9957 |
5 | TCP | 20 | 250 | 27.75 ± 2.78 | 1 × 10−4 −1 × 10−1 | 0.9918 |
6 | DOP | 10 | 250 | 31.60 ± 2.82 | 1 × 10−5- 1 × 10−1 | 0.9902 |
7 | o-NPOE | 10 | 250 | 21.80 ± 1.84 | 1 × 10−5- 1 × 10−1 | 0.9932 |
8 | DHP | 10 | 250 | 23.68 ± 7.39 | 1 × 10−5- 1 × 10−1 | 0.9518 |
9 | DBP | 10 | 250 | 25.40 ± 6.24 | 1 × 10−5- 1 × 10−1 | 0.9755 |
