Fig. 8From: Poly(4-amino-3-hydroxynaphthalene-1-sulfonic acid) modified glassy carbon electrode for square wave voltammetric determination of amoxicillin in four tablet brandsCorrected for blank corrent SWVs of poly(AHNSA)/GCE in pH 5.5 PBS containing A APF, and B EPHARM (a) unspiked tablet sample, and (b) a + 50 µmol L−1 standard AMX at optimized method parametersBack to article page