Research Article
Voltammetric Determination of Anethole on La2O3/CPE and BDDE
Table 6
Influence of interferences (n = 3) on anethole peak of 13.92 mg L−1 in 0.1 mol L−1 acetate buffer, pH = 6.0.
| | Interferent | Proportion anethole: interferent | ianethole+interferent/ianethole | | BDDE | La2O3/CPE 20% |
| | Metal ions | | Zn2+ | 20 : 0 | 1.00 | 1.00 | | 20 : 2 | 0.99 | 1.02 | | 20 : 10 | 0.99 | 1.21 | | 20 : 20 | 0.99 | 1.27 | | Cd2+ | 20 : 0 | 1.00 | 1.00 | | 20 : 2 | 0.99 | 1.07 | | 20 : 10 | 0.98 | 1.12 | | 20 : 20 | 0.96 | 1.15 | | Pb2+ | 20 : 0 | 1.00 | 1.00 | | 20 : 2 | 0.99 | 1.04 | | 20 : 10 | 0.99 | 1.10 | | 20 : 20 | 0.98 | 1.13 | | V3+ | 20 : 0 | 1.00 | 1.00 | | 20 : 2 | 1.00 | 0.95 | | 20 : 10 | 0.99 | 0.88 | | 20 : 20 | 0.99 | 0.82 | | Bi3+ | 20 : 0 | 1.00 | 1.00 | | 20 : 2 | 0.99 | 1.02 | | 20 : 10 | 0.98 | 1.04 | | 20 : 20 | 0.96 | 1.22 | | Al3+ | 20 : 0 | 1.00 | 1.00 | | 20 : 2 | 1.00 | 1.02 | | 20 : 10 | 0.99 | 1.02 | | 20 : 20 | 0.99 | 1.03 | | Tl+ | 20 : 0 | 1.00 | 1.00 | | 20 : 2 | 0.98 | 0.99 | | 20 : 10 | 0.95 | 0.91 | | 20 : 20 | 0.93 | 0.90 | | Cr3+ | 20 : 0 | 1.00 | 1.00 | | 20 : 2 | 0.99 | 1.12 | | 20 : 10 | 0.99 | 1.22 | | 20 : 20 | 0.95 | 1.23 | | Organic compounds | | | | | Eugenol | 20 : 0 | 1.00 | 1.00 | | 20 : 1 | 1.19 | 1.14 | | 20 : 2 | 1.46 | 1.14 | | 20 : 5 | 1.90 | 0.84 | | Thymol | 20 : 0 | 1.00 | 1.00 | | 20 : 1 | 1.11 | 1.11 | | 20 : 2 | 1.16 | 1.21 | | 20 : 5 | 1.32 | 1.26 | | Carvacrol | 20 : 0 | 1.00 | 1.00 | | 20 : 1 | 1.23 | 1.09 | | 20 : 2 | 1.55 | 1.07 | | 20 : 5 | 2.00 | 1.04 |
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