Table 3.
Potentiometric selectivity of sensors 2 and 10 calculated according to IUPAC rules
| Sensor 2 | Sensor 10 | ||||
|---|---|---|---|---|---|
| Interfering ions |
log
|
 |
Interfering ions |
log
|
 |
| Cr+3 | –1.05 | 8.91 × 10–2 | Na+ | –1.69 | 2.04 × 10–2 |
| Cu2+ | –1.35 | 4.47 × 10–2 | Cu2+ | –1.72 | 1.91 × 10–2 |
| Al3+ | –1.93 | 1.17 × 10–2 | Sr2+ | –1.83 | 1.45 × 10–2 |
| Na+ | –2.09 | 8.13 × 10–3 | Pb2+ | –1.89 | 1.29 × 10–2 |
| Li+ | –2.13 | 7.41 × 10–3 | Al3+ | –1.93 | 1.17 × 10–2 |
| Ca2+ | –2.14 | 7.24 × 10–3 | In3+ | –2.06 | 8.71 × 10–3 |
| Cd2+ | –2.26 | 5.49 × 10–3 | Cd2+ | –2.16 | 6.92 × 10–3 |
| Ni2+ | –2.36 | 4.36 × 10–3 | Ni2+ | –2.23 | 5.89 × 10–3 |
| Pb2+ | –2.54 | 2.88 × 10–3 | Co2+ | –2.24 | 5.75 × 10–3 |
| Zn2+ | –2.57 | 2.69 × 10–3 | Ca2+ | –2.33 | 4.68 × 10–3 |
| Gd3+ | –2.60 | 2.51 × 10–3 | Gd3+ | –2.67 | 2.14 × 10–3 |
| Sr2+ | –2.70 | 1.99 × 10–3 | Mg2+ | –2.68 | 2.09 × 10–3 |
| Mg2+ | –2.77 | 1.70 × 10–3 | Cr+3 | –2.91 | 1.23 × 10–3 |
| Nd3+ | –2.94 | 1.15 × 10–3 | Li+ | –2.94 | 1.15 × 10–3 |
| Mn2+ | –2.97 | 1.07 × 10–3 | Zn2+ | –3.14 | 7.24 × 10–4 |
| Co2+ | –3.04 | 9.12 × 10–4 | Nd3+ | –3.28 | 5.25 × 10–4 |
| In3+ | –4.74 | 1.82 × 10–5 | Mn2+ | –3.58 | 2.63 × 10–4 |
| K+ | –5.51 | 3.10 × 10–6 | K+ | –4.05 | 8.91 × 10–5 |