Table 4 Results of intra- and inter-day precision and accuracy
From: Development of membrane electrodes for selective determination of lisinopril in pharmaceuticals
ISE | LNP taken, mmol l−1 | Intra-day variations | Inter-day variations | ||||
|---|---|---|---|---|---|---|---|
LNP found*, mmol l−1 | %RSD | %RE | LNP found$, mmol l−1 | %RSD | %RE | ||
LNP-PTA | 0.075 | 0.073 | 3.81 | 2.67 | 0.077 | 3.89 | 2.67 |
0.500 | 0.509 | 4.89 | 1.80 | 0.511 | 4.11 | 2.20 | |
1.000 | 1.01 | 2.97 | 1.00 | 1.020 | 4.33 | 2.00 | |
LNP-PMA | 0.075 | 0.072 | 2.91 | 4.00 | 0.073 | 2.99 | 2.67 |
0.500 | 0.494 | 4.19 | 1.20 | 0.516 | 3.15 | 3.20 | |
1.000 | 1.020 | 3.97 | 2.32 | 1.030 | 3.63 | 3.00 | |