Table 3.
Potentiometric selectivity coefficients (− log Kpot midazolam, Interferent) of the proposed sensors
| Interferent (10–3 M) | PTFANI-free sensor | PTFANI-sensor |
|---|---|---|
| KCl | 2.170 | 3.594 |
| MgCl2 | 2.075 | 3.319 |
| CaCl2 | 1.962 | 3.080 |
| NaCl | 1.887 | 2.842 |
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