Method Interfering ion KpotD,B KpotD,B KpotD,B
ISPE
(22 mg NaTPB)
ISPE
(30 mg PTA)
ISPE
(16 mg RN)
MPM Glucose 4.9 x10-4 8.3 x10-3 3.6 x10-3
Fructose 4.2 x10-4 7.3 x10-3 8.8 x10-3
Maltose 2.9 x10-4 5.8 x10-3 6.2 x10-3
Lactose 2.7 x10-4 5.6 x10-3 1.3 x10-3
Sucrose 8.9 x10-4 6.5 x10-3 3.2 x10-3
Starch 8.2 x10-4 5.0 x10-3 2.9 x10-3
Glycine 9.6 x10-4 4.4 x10-3 7.6 x10-4
SSM Na+ 4.1 x10-5 3.9 x10-5 8.8 x10-5
Cd2+ 2.7 x10-4 1.2 x10-3 9.8 x10-3
K+ 7.2 x10-5 5.6 x10-5 1.1 x10-4
Mg2+ 4.8 x10-3 1.6 x10-3 2.1 x10-3
Zn2+ 5.6 x10-3 7.0 x10-4 1.6 x10-3
Ni2+ 1.6 x10-3 8.5 x10-4 2.4 x10-3
Mn2+ 1.9 x10-3 8.2 x10-4 3.4 x10-3
Ba2+ 2.5 x10-3 9.2 x10-4 2.2 x10-3
Fe 3+ 1.2 x10-4 1.8 x10-4 1.4 x10-4
Pb2+ 2.4 x10-3 1.9 x10-4 1.2 x10-3
Al3+ 1.1 x10-4 1.5 x10-4 1.2 x10-4
Cr3+ 1.1 x10-4 1.3 x10-4 1.0 x10-4
Cu2+ 1.4 x10-3 2.3 x10-4 1.5 x10-3
Table 6: Selectivity coefficients values for ISPE electrodes.