Electrode Modifier Slope  mV decade-1  pH range Response time (Sec) Life time day LOD (mol L-1) Linear range (mol L-1) LOQ (mol L-1)
ISPE 22 mg NaTPB 58.6 ±1.7 2.0–6.0 5.0 88 1.0× 10-6  1.0 × 10-6–1.0× 10-2  3.3× 10-6
ISPE 16 mg RN 60.0 ± 2.0 2.0–6.0 5.3 91 1.0× 10-6  1.0 × 10-6–1.0× 10-2  3.3 × 10-6
ISPE 30 mg PTA 59.0 ± 3.3 2.0–6.0 4.6 81 1.0× 10-6  1.0 × 10-6–1.0× 10-2  3.3 × 10-6
IPVC 7.5 mg TPB 57.2 ± 2.6 2.0–6.0 7.6 13 1.0× 10-6  1.0 × 10-6–1.0× 10-2  3.3 × 10-6
IPVC 7.5 mg PMA 59.2 ± 4.6 2.0–6.0 7.0 17 1.0× 10-6  1.0 × 10-6–1.0× 10-2  3.3 × 10-6
IPVC 7.5 mg PTA 57.7 ± 2.7 2.0–6.0 5.6 15 1.0× 10-6  1.0 × 10-6–1.0× 10-2  3.3 × 10-6
ICPE 10 mg NaTPB 60.0 ± 2.3 3.0–7.0 7.3 47 1.0× 10-6  1.0 × 10-6–1.0× 10-2  3.3 × 10-6
Table 9: Critical response characteristics of ICPEs, ISPE and IPVCs sensors.