Interfering ions MPM Interfering ions MPM
Zn-TSC Zn-ATSC Zn-TSC Zn-ATSC
Na+ 3.56 3.26 Ba2+ 3.72 3.55
K+ 3.76 3.42 Al3+ 4.32 4.21
NH4+ 3.95 3.67 Cr3+ 3.65 3.48
Ca2+ 4.22 3.85 Cu2+ 3.43 3.27
Cd2+ 4.1 3.89 Pb2+ 4.11 3.95
Co2+ 4.3 3.94 Glucose
Fe2+ 2.75 2.69 Sucrose
Fe3+ 3.55 3.45 Fractose
Ni2+ 4.23 4.17 Maltose
Mn2+ 3.91 3.74 L−Histidine
Mg2+ 3.88 3.79 L−Cysteine
Cr3+ 3.76 3.63 Glycine
Table 3: Selectivity coefficient values for - log KpotZnJz+ (Zn-TSC, Zn-ATSC)/ CMCPS.