| S. no |
Response range (M) |
Slope (mV/decade) |
pH range |
Detection limit |
Response |
References |
| time |
| 1 |
2.9x10-7-3.2x10-7 |
29.9 |
2.0-9.0 |
2.7x10-7 |
<15 |
19 |
| 2 |
1.0x10-6-1.0x10-1 |
30 |
3.2-7.1 |
8.9x10-7 |
<10 |
24 |
| 3 |
1.3x10-7-1.0x10-1 |
29.2 |
3.5-9.2 |
1.0x10-8 |
<10 |
26 |
| 4 |
1.0x10-6-1.0x10-1 |
29 |
4.0–12.0 |
1.0x10-7 |
<20 |
28 |
| 5 |
5.0x10-8-2.0x10-3 |
32.5 |
3.5–8.0 |
0.25 nM |
<10 |
CMCPS |
| 6 |
6.3x10-8-7.9x10-3 |
28.5 |
3.5–8.0 |
0.50 nM |
<10 |
CMCPS |
|
