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Table 3 Summary of interference study of AMX with different concentrations of ampicillin, and cloxicillin

From: Poly(4-amino-3-hydroxynaphthalene-1-sulfonic acid) modified glassy carbon electrode for square wave voltammetric determination of amoxicillin in four tablet brands

Interferent Interferent added (µmol L−1) Detected current (µA)a Expected current (µA) % recovery
AMP 0 10.48 ± 2.51 10.48
25 10.00 ± 2.02 10.48 95.4
50 10.20 ± 1.98 10.48 97.3
75 10.48 ± 1.86 10.48 100.0
100 10.57 ± 3.12 10.48 100.8
CLOX 0 10.48 ± 1.78 10.48
25 10.10 ± 1.82 10.48 97.7
50 10.24 ± 2.97 10.48 96.4
75 10.42 ± 3.52 10.48 99.4
100 10.52 ± 4.02 10.48 100.4
  1. aMean ± %RSD for n = 3