Interferentb MPMa SSM Interferentb MPMa SSM
K+ 2.88 3.15 Cr3+ 3.33 4.20
Na+ 2.95 3.33 Maltose 3.52 ---
NH4+ 2.65 2.93 Glucose 3.50 ---
Ba2+ 3.21 3.55 Lactose 3.54 ---
Cu2+ 3.20 3.62 Urea 3.23 ---
Co2+ 3.11 3.55 Ascorbic acid 3.30 ---
Ni2+ 3.19 3.65 Aspirin 1.15 ---
Mn2+ 2.56 3.11 L-Lysine 3.34 ---
Mg2+ 2.89 3.36 L-cystine 3.20 ---
Zn2+ 2.67 3.28 L-Glycine 3.19 ---
Fe3+ 3.27 3.76 L-Theronine 3.44 ---
(---): No response
aEach value is the average of three determinations.
bAllinterferents ions are in the form of chloride solution (0.5 M for MPM) & (10-3 M for SSM).
Table 4: Selectivity coefficient values for CLO-ST/CMCPS.