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Table 5 Results of robustness and ruggedness expressed as intermediate %RSD values

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

ISEConcentration of LNP, mmol l−1%RSD values for varied parameters
RobustnessRuggedness
pHTemperatureInter-potentiometricInter-analysts
LNP-PTA0.0752.563.522.233.43
0.5003.233.452.122.54
1.0002.212.982.223.56
LNP-PMA0.0751.982.142.142.18
0.5002.893.113.223.66
1.0001.992.112.144.00