Research Article
Poly(1,5-Diaminonaphthalene)-Modified Screen-Printed Device for Electrochemical Lead Ion Sensing
Figure 5
SWASV of 4.5 μg·L-1 Pb2+ in acetate buffer (pH 4.5) at bare SPEs (a) and p(1,5-DAN)/SPEs (b). Deposition potential: -1.2 V; deposition time: 360 s.