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Table 4 Comparison of performance of the present method with selected recently reported works in terms of the linear dynamic range, LOD, electrode substrate, and modifier

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

Substrate Modifier Method Dynamic range (µmol L−1)a LOD (µmol L−1) Refs.
GCE QDs-P6LC-PEDOT:PSS SWV 0.9–69.0 0.05 [12]
GCE rGO/Nafion SWV 1.8–5.4 0.36 [13]
CPE Cu/POT(SDS) CV 80–200 60 [14]
Amperometry 5–150 3
SPE (AuNPs/en-MWCNT CV 0.2–10; 10–30 0.015 [17]
Graphite electrode TiO2/CMK/AuNPs/Nafion CV 0.5–2.5; 2.5–133.0 0.3 [18]
GCE Au NPs-Pd NPs-ErGO SWV 30–350 9 [19]
GCE CB–DHP SWV 2.0–16.1 0.12 [20]
GCE Poly(AHNSA) SWV 10–150 0.0099 This work
  1. aMean ± %RSD for n = 3