Research Article
Mg(II) Selective PVC Membrane Electrode Based on Methyl Phenyl Semicarbazone as an Ionophore
Table 3
Selectivity coefficient values
for Mg
2+-selective sensor by fixed interference method.
| | S. No. | Interfering ion (B) | Selectivity coefficients |
| | 1 | K+ | 6.01 × 10−2 | | 2 | | 4.03 × 10−2 | | 3 | Cd2+ | 6.44 × 10−2 | | 4 | Pb2+ | 8.03 × 10−2 | | 5 | Cu2+ | 4.03 × 10−2 | | 6 | Ni2+ | 8.11 × 10−2 | | 7 | Zn2+ | 5.12 × 10−2 | | 8 | Co2+ | 2.01 × 10−2 | | 9 | Ca2+ | 1.06 × 10−2 | | 10 | Sr2+ | 3.01 × 10−2 | | 11 | Cr3+ | 1.01 × 10−2 | | 12 | Al3+ | 6.01 ×10−2 |
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