Fig. 4From: Poly(4-amino-3-hydroxynaphthalene-1-sulfonic acid) modified glassy carbon electrode for square wave voltammetric determination of amoxicillin in four tablet brandsCyclic voltammetric response of poly(AHNSA)/GCE for 1.0 mmol L−1 AMX in pH 5.0 of various electrolytes (a–c: ABS, RBS, and PBS, respectively)Back to article page