Fig. 21From: Green synthesis of silver nanoparticles and its environmental sensor ability to some heavy metalsUV–Vis spectra of synthesized AgNPs in the presence of a 10–2, b 10–3, c 10–4, d 10–5, e 10–6 and f 10–7 M of Cu2+ with time, respectively and g the change of sensor colour with Cu2+ concentrationBack to article page