From: Development of membrane electrodes for selective determination of lisinopril in pharmaceuticals
Parameters | LNP-PTA ISE | LNP-PMA ISE |
---|---|---|
Linear range, mol l−1 | 5 × 10−5–2.4 × 10−3 | 5 × 10−5–2.4 × 10−3 |
Limit of detection (LOD), mol l−1 | 1.2 × 10−5 | 1.18 × 10−5 |
Limit of quantification (LOQ), mol l−1 | 3.6 × 10−5 | 3.7 × 10−5 |
Slope (m), mV/decade | 55.06 ± 1 | 52.39 ± 1 |
Intercept (b), mV | 307.71 | 297.17 |
Correlation coefficient (r) | 0.9980 | 0.9978 |
Response time, s | 10 | 10 |
Working pH range | 2.5–6.4 | 2.3–6.0 |
Temperature, °C | 22–32 | 22–32 |
Life span of sensor, days | 68 | 68 |