Table 4.
Characterization of a number of reported ion selective sensors based on nonconducting polymers for third main group cations.
| Cation | Ionophore | Slope (mV decade-1) | Linear Range (M) | Most Important Interfering ions (log Ksel> -2) | Ref. |
|---|---|---|---|---|---|
|
| |||||
| Al+3 | xanthone derivative | 20.0 | 1.0 × 10-6-1.6 × 10-1 | Hg2+, Ba2+ | 188 |
|
| |||||
| Ga3+ | chlorogallium(III) | 30 | 10-6 −10-2 | - | 190 |
|
| |||||
| In3+ | 1-benzyl-3-methyl-4- benzoyl-5-pyrazolone (PMBP) | 18.7 | 3.2×10-5 - 1.0× 10-1 | Ga3+ | 192 |
|
| |||||
| Tl3+-1 | 2′-amino-1,3,5′-trioxo- spiro[indane-2,4′(5′H)-3′-cyano-indeno(1 .2-b)]pyran | 59 | 0.1-1.0 × 10-6 | Rb+, Cs+ | 197 |
| Tl3+-2 | N′-dioctylethylene-diamine-N′-disuccinic acid | 56 | 6.4 × 10-7- 10-2 | Rb+ | 200 |