Skip to main content

Table 2 Results of interference study and determination of selectivity coefficients (KAI)

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

Interferent speciesSelectivity coefficient, KAI*
LNP-PTA ISELNP-PMA ISE
NaOH0.02410.04
NaNO20.06940.05776
CdSO40.39780.4166
KNO30.04211.45
HCl0.03481.11
NaCl1.210.035
NaHCO31.340.05302
Oxalic acid1.020.0943
Sucrose1.120.4309
  1. *Mean value of three determinations