Electrode Modifier pH range isothermal Coefficients (V/°C)
ISPE 22 mg NaTPB 2.0–6.0 0.267
ISPE 16 mg RN 2.0–6.0 0.319
ISPE 30 mg PTA 2.0–6.0 0.291
IPVC 7.5 mg TPB 2.0–6.0 0.279
IPVC 7.5 mg PMA 2.0–6.0 0.329
IPVC 7.5 mg PTA 2.0–6.0 0.226
ICPE 10 mgNaTPB 3.0–7.0 0.269
Table 4: pH working range and isothermal coefficients of the proposed electrodes.