Advances in Polymer Technology / 2021 / Article / Fig 7

Research Article

Poly(1,5-Diaminonaphthalene)-Modified Screen-Printed Device for Electrochemical Lead Ion Sensing

Figure 7

The SWASV response for the increasing concentration of Pb2+ in 0.5–5.0 μg·L-1 and the corresponding calibration plots (inset) of p(1,5-DAN)/SPEs. Electrolyte: acetate buffer (pH 4.5); deposition potential: -1.2 V; deposition time: 360 s.