Skip to main content

Table 3 Performance characteristics of LNP ISEs

From: Development of membrane electrodes for selective determination of lisinopril in pharmaceuticals

ParametersLNP-PTA ISELNP-PMA ISE
Linear range, mol l−15 × 10−5–2.4 × 10−35 × 10−5–2.4 × 10−3
Limit of detection (LOD), mol l−11.2 × 10−51.18 × 10−5
Limit of quantification (LOQ), mol l−13.6 × 10−53.7 × 10−5
Slope (m), mV/decade55.06 ± 152.39 ± 1
Intercept (b), mV307.71297.17
Correlation coefficient (r)0.99800.9978
Response time, s1010
Working pH range2.5–6.42.3–6.0
Temperature, °C22–3222–32
Life span of sensor, days6868